Electronics-lab’s member posted an amazing bike tail light !! It boasts super long life operation; up to about 9 hours LASER works and LED flash up to 36 hours. It is rechargeable, and is equipped with Apex Bright LED to improve security of bicycle riders riding in the dark or in poorly lit conditions.
In addition of having waterproof assembly, this build comprises of an IPX2 rated LASER that writes two bright red lines on the road surface, thereby warning traffic coming from the rear to keep a safe distance.