Dear Sir/Madam, Position:Front & Rear Type:LEDs Power Supply:Battery Mounting Placement:Handlebar Product name:2017 new usb rechargeable road bike light combo LED:2*CREE XP-G R5 LED Brightness:500lumens Battery:1800 mAh built-in lithium battery Material:Aluminum Alloy Mode:High-mid-low-strobe Weight:118g Accessory:1pc front lamp, 1pc rear light, 1pc usb cable, 1pc gift box Color:Black Show More