Waterproof Bike Tail Light with Remote Control, Ultra Bright Bike Tail Light, USB Rechargeable, Bike Tail Light with Turn Signal and Brake Light

?Ultra-bright LED bicycle tail light? Our taillights feature 31 ultra-bright LEDs and a powerful flasher of up to 160 lumens that alert cyclists day or night, improving your visibility and safety.5 in 1 smart taillight? It is important to note that this bike has five functions: warning light, brake light, turn signal, electric bell and anti-theft alarm. It can alert pedestrians and vehicles in all directions and effectively protect the safety of cars and drivers. It's a practical bike accessory!

?Anti-theft alarm for bicycle? The bicycle anti-theft alarm can emit loud sounds and vibrations, and its volume of 110 dB can effectively deter thieves. Protect your bike.If you touch or hit the bike while the alarm is activated, the host will issue a 2-second warning; if you touch or collide again within 2-12 seconds, the host will continuously alarm for 30 seconds to stop the thief. 7 adjustable sensitivity levels, from a simple touch to pressure or shock.

Rechargeable and wireless USB remote control? This bicycle tail light is equipped with a high-capacity 2000 mAh rechargeable battery. Once fully charged in 7 hours, the tail light alarm can work for 70 hours. Additionally, our wireless remote control bike tail light easily attaches to 20-24mm handlebars and is equipped with a replaceable CR2032 coin cell battery. More importantly, the wireless range is up to 60m.

Smart Auto On/Off?This bike alarm tail light features a smart “slow flash” or “breath” mode and auto on/off. The bike's rear light automatically detects the ambient brightness after 30 seconds. If you brake while driving, the light immediately turns red for 2 seconds.