Features:
1. Suitable for 25mm Flashlight & Laser Sight Tube mounting need
2. Flashlight Mount can also be installed on standard weaver rail
3. Fully adjustable with nuts & screws included
4. Complete solution for Mounting Flashlight & Laser Sight on rifle
5. ShockAbsorption ability

Specification:
Ring Diameter: 25mm
Rail Type: 20mm Weaver Standard Rail
Color: Matte Black 
Material: Aluminum alloy
Bulb: Super Bright CREE XM-L T6 LED， 2000 lumens output(Max)
Bulb Colors: white，blue，red，purple，green
Lifetime-above 10，000hrs
Operate Voltage: 8.4V.
Powered by Use 2x18650 3.6/3.7V Battery
Size: 210mm*33mm*25mm
Switch Location: Tailcap (Tail-cap)
Construction: Waterproof