GENTOS LED Bike USB 150 Waterproof and for Road Bikes XB-555LR Light, Rechargeable, Lumens, Splash-Resistant,

---------------------------------------------------------------------- Size: Approx. 100.5mm wide x 41.7mm deep x 32mm high, Weight: Approx. 75g (including batteries), Material: PC (Polycarbonate), Country of Origin: China Set contents and accessories: Main unit, power bracket, dedicated rechargeable battery, Micro USB cable, Brightness: High/150 lumens, Eco/50 lumens, Battery used: Dedicated rechargeable battery or 2 AA alkaline batteries (sold separately), Light source used: 1 high-brightness chip-type white LED Actual lighting time (approx.): When using dedicated rechargeable battery / High / 5 hours, Eco / 10 hours, Flashing / 20 hours, Charging time: approx. 2 hours, Functions: Side emitter, 1m drop resistance, Water-resistant (IPX4 compliant), Maximum lighting distance: approx. 79m Power bracket: Compatible handlebar diameter: 22~42mm Mounting Type: Handlebar Mount