NOTE: There is several choices of light in this link,and there is some differences between them,please confirm before placing orders!!! Description: Led integrated circuit: -XPE, 3 W LED integrated circuit Power LED: 3 W Power supply: built-in 800 mAh lithium ion battery, safe and efficient. Lumens: 300 lumens Color temperature of: 6000 k Lighting mode: highlight-low bright-flicker Battery: built-in rechargeable lithium ion lithium polymer battery (800 mAH, 3.7 V) Specifications: Material: PC lampshade ABS lamp covers Size:.6 * 2.9 * 2.2 cm Applicable vehicle tube diameter: 20-40mm Charging time: 3 hours from USB Discharge time: highlight 3 hours, low light 5 hours, glossy 12 hours Package Included: 1xlamp 1 x usb cable

Qian Xun Shm MTB Bicycle Lights LED Waterproof USB Rechargeable Mountain Bike Front Tail Light Night Safet Warning Cycling Lamps Flashlight(White Headlight)