Bike Odometer Bicycle Speedometer Super Bright Waterproof for Bike Light Set 4 Light Modes & Trumpet Fits All Bicycles, Mountain, Road, 120dB Loudspeaker
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Here is a link for a 350 lumen bulb. Hope this helps.
It has a lumen output of 350
Five to eight hours, in normal circumstances
The one I know of doesn't exist. It is very sharply sounded and it definitely accomplishes what it is supposed to. Toys are not to be used as toys.
Selected User Reviews For Bike Odometer Bicycle Speedometer Super Bright Waterproof for Bike Light Set 4 Light Modes & Trumpet Fits All Bicycles, Mountain, Road, 120dB Loudspeaker
This is a very nice tool. I highly recommend it.
The design is very well done and has a pleasing aesthetic.
Having been impressed by the multiple features of this product, I am happy to have received it. Getting the light/speed unit holder to fit and the brake/tail light unit to work was not too difficult, but calibration for the speedometer unit was difficult, and the instructions weren't as well written nor as understandable as to what was necessary to do to end the calibration process. We are still trying to get it calibrated and working, so we wish you the best of luck!.
It is a good concept. Taking the time to install the system was easy. I tested the lights and horn, and everything worked as it should have. Using the same USB plug to power the horn and light was the weak point and problem of this device. It broke twice and if you cannot recharge, the light is rendered ineffective. It's a bad idea at best. I also had difficulty determining the calibration of the speedometer by following the instructions.
This tool can only work with kilometers per hour. The device is good, but it's not well built, so it's a bit off, but usable if you don't need super-accurate measurements. It's okay to have the lights on. The horn is nice and loud, even though very quiet.
My favorite thing about the LED light is that it's bright and that it has a different sound.