20Lumen 5Modes USB Rechargeable Bicycle Taillight Waterproof Cycling Warning Night Light

Features:  - Daily Waterproof, no worry about cycling in rainy days;  - 250mah lithium polymer battery. USB interface charging, strong endurance;  - Micro USB direct charging. Mobile phone charger / computer direct charging / waterproof design;  - Easy installation can be completed in just four steps;    Specifications:  Product name: High brightness charging bicycle tail lamp;  Material: ABS + silica gel;  Battery: Built in 250mah lithium battery ;  Brightness: 20 lumens;  Color: Black and white;  Weight: 30g;  Size: 46x 40 x 24mm;  Charging:  About 2 hours full;  Application: Taillight / helmet / Backpack;    Package included:  1 x Taillight;  1 x USB Cable;  1 x Silicone Tape