Back in January 2015, I was given the chance to test and send feedback of a prototype bike light from ITUO, a new cycle light manufacturer.
The cycle light was a single XM-L2 with a USB rechargeable and internal and replaceable battery.
A while back, ITUO sent me two updated WIZ1, with one of them being in the WIZ2 configuration.
My new review is for the WIZ1 and WIZ2 as the hardware & software are identical with the only differences being the battery tubes and batteries.
The WIZ1and WIZ2 are 900 lumen single XM-L2 LED bike lights powered by 26650 or 18650 li-ion battery with on board USB chargeable capability, a GO-PRO compatible mount and a likeable interface.
Both, the WIZ1 and WIZ2 do come in identical boxes, a natural cardboard colour with a black insert, covered by a white sleeve. As soon as you pick up the WIZ1 & 2 you realise that this bike lights will also double up as a flashlights (Torch for us English). The battery is shipped approx 50% charged and it is advisable to fully charge it before use. Please try to avoid totally draining out your battery and do not leave your battery flat for any length of time.
I must say this is one of the best interfaces I have used so far, easy to operate and to remember. The beam is wide enough and has a good throw with a neutral tint which is a good choice for cycling as it does not create harsh shadows like the cool tint LEDs does.
The WIZE clamp is very easy to attach to your handle bar and the light can be removed or fitted single handed.
The only thing I notice while cycling with both of my samples, was a rattling coming from the quick release connection from the clamp to the light. By purchasing GoPro accessories from the net, I was able to fit the WIZ1 on my lid to see if this would make a good single XM-L helmet light. The ITUO WIZ lights were tested with my home made light sphere and a cooling fan was used between the readings (please note there will be a small margin of error for the readings as the light was removed and repositioned on the sphere for the various readings). For: Good beam, USB rechargeable, replaceable battery, good run time for the WIZ1, good output for an internal single battery light, very good interface with a good choice of light levels, GoPro compatible mount, good safety feature, can be use for other activities and will tail stand to be use as a candle. Like all single LED lights, the WIZ1&2 have their limitations but if you are looking for an easy to use wireless bike lights set up with replaceable batteries, this is well worth looking at. The two lights have been sent to me direct from China by the manufacturer for review, so at the present time, I am not aware of local UK retailers. I am a MTB ride leader with my local cycling club in the South of England and an independent - occasional LED lights reviewer.
Hi Alaric, sorry about the picture size, I have reduced all of them when I realised how big they were, can you advise what size are appropriate, for the review, I have down scaled them to 850pixel in width, but I can reduce them further. The largest measure shouldn't exceed 800px-- when you signed up and read the CPF Rules, it was out in #3. Thanks Alaric, you are right, this was a long time ago, but will reduce photos to under 800 this evening after work.
The one minor drawback I see to the light is that because it doubles as a flashlight, it doesn't have a shaped beam. You often get asked if the beam will dazzle un-comming traffic and I think any bike light will unless it adjusted properly what ever the beam shape is.
I drive as well as cycle on the road and I think a lot of it is to do with common sense en courtesy towards other road users. The lights modes are definitely designed with the cyclist in mind, specially when you look at the various flash modes and their safe mode, just before turning off, I like this feature a lot. I want to believe the manufacturer claim of 900L but that doesn't jibe with a 2 hour runtime on a single 18650 based on what I've read on most of the existing bike lights in the 700L range. I was considering one of these lights but am now having second thoughts because I'm not sure I believe the 900L claims. I would like to clarify that my figures given are not in LUMENS BUT ARE IN LUX X100 and judging by the output and how bright the WIZ is I have no reason to doubt the manufacturer of its 900 lumens claim. Again the run time given by the manufacturer of 2 or 3 hours on the highest mode is the total overall battery run time once switch on that mode. Now if you look to my tests in details, you will see that the light like does not stay at the max ouput during the whole 2 or 3 hours, but the overall run time checked exceed those given by the manufacturer. A) High output not well regulated lights which within second start dropping in output, the light will fade away gradually.


B) high output well regulated which will stay to that level for 3 to 10mn then will step down gradually two another lower level.
You also get a third type which are usually unbranded lights with unbelievable high output claims usually 3 time higher that the real output and with run time as false as the output given! For the moment I am unable to confirm WIZ 1 output but do believe it to be true or very close to true.
But what I can do from my test is to give you a true picture of how the light will behave on a trail, ie how much light you are going to get for how long . I can not help you with your choice between the WIZ and the VOLT700 but would like to highlight some point that you may not be aware off! The out put was tested by them at 773 LUMENS which is GREAT, but when you look at the test in details , this was only carried out for 3mn! Well in my book this is not much of a test, SPECIALLY if you know that some fully regulated light will have a step-down build into the program any time from 3mn to 10mn.
My question is how many lumens does the VOLT700 give after 3mn, 7mn (like the WIZ) or 30mn or 1 hour in your ride.
Unfortunately the MTBR review does not give those figures which to me are very important for riders. Back in January 2015, I was given the chance, as well as 5 other cyclists from MTBR forum, to test and send feedback of a prototype bike light from ITUO, a new cycle light manufacturer.
A few weeks ago, ITUO sent me two updated WIZ1, with one of them being in the WIZ2 configuration. The "WISE" bar mount uses the GoPro system and does not require different rubber spacers for use on a 25.4 or a 35mm bar. The only thing I notice while cycling with both lights, was a rattling coming from the quick release connection from the clamp to the light.
Wrapping a little black electrician tape around your bar to make it thicker will improve the tightness of the clamp on your handlebar. By purchasing GoPro accessories from the net, I was able to fit the WIZ1 on my lid to see if this would make a good helmet light. The graph shows that once the step down has happen in the "sprint mode", the WIZ1 is very well regulated for a couple of hours, the result is not as good with the 18650 battery only giving you about 45mn of full regulation. On the left of the WIZ1, you can see another light, which I took with me that night to make some comparison shots, the light is one of the unbranded Chinese light running 5 XM-L usually quoting around 5000 lumens, the photo setting are the same, you can easily see the difference in tint from the 5-XM-L cool white to the WIZ1 neutral white, both are on full power.
For a newcomer in the cycle light market, ITUO have produced what I would consider a high end wireless light for a reasonable price. For me, single LED lights are well suited for road cycling and daily commuting when not so much light is required and where size, weight and ease of use are more important. Having just a single LED has its limitations as a mountain bike light but if you are looking for wireless bike lights set up with replaceable batteries, this is well worth looking at. The WIZ 1 & 2 are very user friendly cycle lights, which will also double up in the summer as a flashlights. I think this is a very serious competitor to lights like the Cateye Volt 800, Exposure Joystick and other high power single LED wireless bike lights. You say made your own integrating sphere, so shouldn't you get the total lumens as the output? The charge time of 7 hours (1 amp charger) seems excessive on the wiz 2 (I think you labeled them wrong on the blue part). I like to switch modes by rapidly clicking, so would I accidentally double click and get into the flashing modes?
The lights have kept their general looks but have had some improvement on the weaknesses mentioned during the review and forum feedbacks. They are of the raised positive terminal which make it easier to do a battery change in the dark and appear to be of good quality.
A DOUBLE CLICK from ON or OFF position will access the last flash mode used, a further single CLICK will allow you to cycle through the flashing modes day flash, night flash, warning flash. The 50 Lumen mode is also very useful during stops to let the light cool down while still having some illumination.
When the light turns to safety mode, the light can only be turned off or on by one click, and other modes can’t be operated.
The charging time will depend on the uncharged sate of the battery and the method of charging, this could take up to 11 hours with a 500mA charger and 5 hours with a 1A charger.
The flash modes are well chosen with a double and a single flash at the right speed together with a pulse mode, which is a constant light with a bright pulse.


One single long press to switch off from any of the modes with a very useable low mode prior to light off. I did a MTB club ride with just two WIZs both in the WIZ1 configuration and I was surprised how well this set up works (for two single XM-L lights of course). As a bar light, I have found one to be sufficient for road ridding but for mountain biking you do need to run them as a pair. As this is a home-made integration sphere, I cannot make any true claims as how close my result would be to results coming out of a lab integrating sphere costing thousand of pounds, but this does give a rough idea as how the light performed and enables you to monitor the output versus runtime. A USB cable is provided as well as a "Wise" GoPro compatible bar mount and an instruction sheet.
When the light turns to safety mode, the light can only be turned off or on by one click, and other modes can?t be operated. The WISE clamp connects very firmly on my 35mm bar but is not very tight on my 25.4mm handle bar allowing the light to be moved by hand slightly from left to right or up or down as the jaws of the clamp are bottoming. I did a MTB club ride with just two WIZs both in the WIZ1 configuration and I was surprised how well this set up works.
As a bar light, I have found one to be sufficient for road ridding but for mountain biking you do need to run them as a pair. Running them as twin set up: bar and helmet lights, and once properly adjusted, they provided me with a good workable and neutral beam during one of our forest night ride.
The WIZ2 is more pocket friendly due to the smaller body tube and lighter in weight, but for me the WIZ1 has a better hand grip due to size and shape of the battery tube. Once the battery is charged, the light will turn to green, please disconnect the charger from the mains and from the battery. I usually ride with a twin XM-L on my lid and quadruple one on my bar and despite the fact the two WIZ did produce a lot less lumens (about half), the beams were very well balanced with a very neutral tint and I felt that the light given was very user friendly and I did not miss that much the extra power.
The lights I reviews, are not necessary my own choice of lights for my riding style, but I have tried and tested them in real cycling.
I usually ride with a twin XM-L on my lid and quadruple one on my bar and despite the fact the two WIZ did produce a lot less lumens (about half), the beams where very well balanced with a very neutral tint and I felt that the light given was very user friendly and I did not miss the extra power.
The lights I reviews, are not necessary my own choice of lights for my riding, but I have tried and tested them in real cycling.
A double click will return you to steady mode or a long press (about 3 seconds) will turn it off after going though the safe mode. A plus factor was not being wired in when I removed my helmet (I always ride hot and my helmet do come off often during stops).
Choice of lights are very personal and the type of ridding you do should influence the type of light you choose. The WIZ1, I received in blue and the WIZ2 in a brown finish which is not available as they only list blue or black.
Factors like; run time, light levels, type of flash modes, LED tint, size, bike attachment, way of recharging the battery, usability when off the bike can be as if not more important that the number of LEDs and number of advertised lumens. My WIZ2 sample was actually marked with WIZ1 logo, which does not matter as only the battery tube and battery are different. The markings are very minimal and are one side of the head with the manufacturer's name, model and web address all in crisp white lettering.
Once at that level the light is well regulated for the next two hours for the WIZ1 and about an hour for the WIZ2. On the opposite side is the USB port covered by a rubber plug with a double lip acting as water seal.
If the battery has enough charge, you can switchback the WIZ to the higher 900L, Sprint level for another 7mn.
In real life while cycling the difference of output is barely noticeable, and I was happy enough with the sprint stepdown. The charging was easy and in line with the time given using my HTC 1 amp mobile phone charger.




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