USB Bike Front Light
Material: Aluminum Alloy; Size: 10*2.7*2.3cm;  107g
IP55 water resistant, rain-proof
LED source: ultra led ; max ouput: 3W 
Operation Modes:4 modes (high, mid, low, flashing)
Max light output:  250 lumens
Lighting distance: 50-70meters
Battery type: 3.7V/1200mAh built in lithium ion battery;
Lighting time: 1.5-6 Hrs

package: flashlight, USB Cable ,screw bracket & white box

Feature:high performance optics ,battery indicator,usb rechargeable