This M961 Weapon Light is nine-volt shock-isolated SureFire system .
Provide two output function : 125 lumens for one-hour of runtime or 225 lumens for 20 minutes .
Come up with a thumb screw mount .Easy to mount on any 20mm gun rail.
Remote pressure switch with snake tail.
Construed by Aluminum alloy . Light weight and durable.
Powered by three lithium batteries (Batteries are not Include)
Perfect for outdoor war game activities.

Lumen Output:125 /225 (with optional ultra high-output lamp)
Minutes Runtime:60/20(min) (with optional ultra high-output lamp)
Mount:  Thumbscrew
Size - 210mm x 41mm (head diameter)
Pressure switch - 200mm
Brightness - about 225 lumens
Lamp Type - 9V CREE LED
Batteries:  Three CR123A battery.(not included)