ENFITNIX CUBELITE II SMART TAIL LIGHT 570086

[Smart Brake Sensing]With brake sensor inside, this smart bicycle light will automatically light up bright brake light after you braking.The bicycle light is super bright at that time and highly visible even from a distance, attract the attention of bikes and vehicles behind to enhance your safety while cycling.
[Smart Day Light Mode]With light sensor inside, the day/night mode can be automatically switched according to the ambient brightness. The night mode is soft and not glaring，the daytime mode is highly intensity. This light will enhance your security in riding no mater day or night.
[Auto/Manual Mode]Switch the mode by pressing the middle button twice. In automatic mode, when the bicycle stands still for ten seconds, it will go out automatically.It will light up again when you start riding.In manual mode，it will only light up or go out under your control.
[Easy Mount and Remove＆Small Size and Light Weight] Saddle mounting bracket and adjustable silicone strap are provided, make the bicycle rear light quick and flexible install on saddles, seatposts, bike bags.
[Battery Life up to 30 Hours＆IPX5 Waterproof]Three light modes: constant light mode(10 hrs), breathing light mode(15 hrs) and flashing mode(30 hrs).There is a indicator to remind you battery is low.The taillight can be easily charged by charging cable via computer, wall charger, power bank or any other devices with an USB port.IPX5 water resistant, ensure your safety ride in bad weather condition and environment.