CRAZY SALE! Ultra Bright USB Rechargeable LED Bicycle Tail Light. Dual lights inside: Red and White. Easy to use. Super light weight. Easy installation. Waterproof. Multiple lighting modes. IMPROVE SAFETY - Your safety is our TOP PRIORITY - Ultra bright LED tail light, output maximum 120 LUMEN by 15 COB chips, can be discovered from far distance. Clear ruby red body provide more than super wide angle of visibility. Easier to be noticed by drivers. Featuring SOS flashing for any emergence! RELIABLE - The body is make with high quality plastic and crystal clear. It is durable even dropped from high place. 600mAH lithium battery offer you maximum 15 hours of operation. Only 2 hours to fully charge and stop automatically. WATERPROOF - Ultrasonic bonding used. IPX6 waterproof! The light can be used in heavy rain, even immerse into water! EASY TO INSTALL AND OPERATE - NO TOOLS needed. Simply stretch the silicon strap and hook together. High quality silicon strap tough enough to stretch many times. EASY OPERATION, just push the button for 2 seconds to on/off. Operation mode memory. MULTIPLE USAGES - It can be front light or tail light, two lights inside. White for front and Red for tail. You can use it on your bike, helmet and backpack.