Certification:NONE Model Number:Bicycle Headlight Mounting Placement:Frame Power Supply:Battery Size:Long 10.2cm,Wide 5.1cm Material:Waterproof in ABS Volume:140db Lighting mode:Three kinds of flash models Color:Blue Charging time:about 2 hours Working time:3-6 hours based on the different modes Bicycle Front Light with Electric Loud Horn Waterproof Bike Headlight USB Rechargeable Cycling Flashlight Tactical Torch Lantern Description: Volume: 85db Lighting mode: Three kinds of flash models Sound mode:Five Modes of sound Color:Blue Battery: built-in 1200 mAh lithium battery (can be recharged more than 500 times) IP44 waterproof Charging time: about 2 hours Working time: 3-6 hours based on the different modes Installation position: Split button switch, can be installed in any part of the handlebar, easily accessible, and can also be used in the event of braking. Easy to install, suitable for many handlebar formats Specifications: Size:Long 10.2cm,Wide 5.1cm Material: Waterproof in ABS Package Included: 1 x headlights 1 x stents 1xusb cable