[USB RECHARGEABLE & EMERGENCY POWER BANK]: The bike light is USB chargeable, which is more environmentally friendly. 5200mAh, the 18650 lithium battery can run for more than 15 hours. In addition, it can be used as an emergency power bank. Open the waterproof plug of the charging port, and connect the device that needs to be charged to the US interface (5V/2A). Long-lasting performance means longer riding time, which reduces unnecessary troubles caused by running out of power during riding.[3 SUPER BRIGHT LED LAMP BEAD & IP65 WATERPROOF]: Since the bicycle light adopts high-brightness LED-T6 lamp beads, 1200LM, it has high brightness and long life, which is extremely bright in a wide range and further distance; the lamp body uses aluminum alloy integrated CNC processing material, which has good heat dissipation; The temperature control protection driving circuit is adopted to give consideration to brightness and heat dissipation performance[MULTIPLE LIGHTING MODES]: The bike lights can double as a hand-held flashlight, and has 4 general lighting modes.Tap to turn on: strong light, medium light, low light; double-click flash, SOS mode. When the indicator light flashes red, the current battery level is less than 10%, which reminds you that you need to charge the headlight.[360 degree SWIVEL & EASY TO INSTALL]: with our new upgraded bracket and 360 degree rotation, no tools, wires, screws or additional batteries and accessories are required, and it can be installed in just a few seconds. When you rotate at a fixed angle, it is firmly fixed to your bicycle. The bicycle light set has a wide range of uses, suitable for cycling, hiking, camping or any outdoor activities, and can be used as an emergency flashlight.Colour:blackMaterial:Aluminum alloy + plasticSize:20cm x 15cm x 5cmPackage Contents:1 * bicycle headlight1 * bicycle tail light1 * USB data cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.