The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws. USB Waterproof LED Bicycle Bike Front Rear Tail Light Safety Cycling Rechargeable Warning Lamp Specifications: USB fast charge , compatible phone, computer, other charger at the same time Built-in 30 over drive COB Lamp beads , more than 100 Lumens , make sure the brightness Rechargeable LI-battery 3.7C 500mA ABD QUICK release handlebar mount fit for 22-31.8mm,no other install tool needed Huge battery capacity up to 500MAH,5H for the single color Head light Anti-proof design, worry free in rainy ridding or accidental water Smart charge LED light , red and blue and flash LED for Charging , done, and low power Anti-slipping rubber , exclusively for bicycle handlebar Specifications: Model : White Light and Red Light Flash Light 6 Modes (Single Head Light): standard / high beam / over drive / 50﹪ brightness / 100﹪brightness flashing / strobe flashing / close Size:8.4 * 2.8 * 1.7 mm Color:red,white Material:plastic Rubber Band for Handlebar: 22-31.8mm Package Include: 1 * Head Light 1 * USB Cable 1 * Headbar Rubber Band Label: Yes