Turn Signals/Brake/Wirele Remote Control Bike rear light POWERFUL COB LIGHT Information * Modes: 3 modes as taillight, turn signals, Brake warning mode;* Color: Red, Yellow;* Lumen: 100 Lumens;* Battery life: About 4 - 8 Hours;Waterproof: IPX 5;* Charging: USB, 2 Hours;* Mount: Seatpost, Handlebar, Helmet. Feature 2021 New bike tail light --- beautiful: sleek streamlined design with solid material, compact size 30g, 8.8cm. powerful: lab-tested output of 100 lumens with 38 COB leds, giving you 270 beam angle and 492 feets visibility for safety. fundamental: ipx-5 waterproof & USB rechargeable built-in lithium battery. multi-functional 3 in 1: Its not only a bike back light with steady/flash modes, but also a bike signal light and a brake light, adjusted by a wirele remote control. Versatile with multiple modes ---- 3 modes as rear light: steady, flash and strobe; 2 modes as bike turn signal: turn left and turn right(After 15 seconds, it automatically returns to the previous mode.); 1 mode as brake lamp: steady on high brightne, activated by the remote. USB rechargeable with decent battery life ---- 2 hours charging = 4 to 10h lasting (depends on the working mode). For a quick charge, just connect the cycling light with any USB devices such as power bank, car charger or ac outlet adapter. (please fully charge the bike rear light before first using.) Fits every bike ---- easy to install on seat post (light unit) and on handlebar (remote control unit) with flexible silicon mounting band, for all type of bikes, road bike, mountain bike mtb, hybrid and also can be used as helmet light, bike wheel light, backpack light, wheelchair light, scooter light and caution light. Packing information ---- 1 x tail light, 1 x mount, 1 remote control, 1 x cable and 1 x user manual.