【Wide Field of Vision】180 degree field of vision, visibility up to 150m, the bike tail light is bright with 40pcs 100LM LED lights, bright enough to be seen 150m away in foggy/rainy days or even in the dark. nights. Gives you super bright but not dazzling 【Wireless Remote Control & 4 Modes】With 3 easy-to-use buttons on the wireless remote control, the remote control bike turn signal sends signals in different modes. The handlebar is remote controlled for easy control while riding. Suitable for mountain bikes, MTBs and road bikes. 4 Modes: Left Turn Light, Right Turn Light, Red LED Warning Light, SOS 【IPX2 WATERPROOF】Bike Brake Light IPX2 waterproof function can withstand rainy days and humid climates, waterproof specially designed for outdoor bicycles. The best safety equipment for outdoor riding as a Christmas gift for friends and family 【EASY TO USE】The bike light rear hook can be hung anywhere on your belt, running gear, reflective vest, backpack, dog collar, harness or clothing.