Specifications:

6061T precipitation-hardened Aluminium alloy
Durable serrated bezel
Bulb: XM-L T6
Lumens: 2000 lumens output (max)
Operating voltage: 3.7V
Battery: 1×18650 batteries (included)
Switch 1: End cover open / closed
Switch 2: Remote pressure pad switch
Flashlight diameter: 13.3 X 3 X 2.3 cm
Mount Material: Aluminum

For 25 mm flashlight and laser sight pipe
Flashlight Mount can also be installed in a standard 20mm rail
Fully adjustable nuts and screws included

Shock Absorption ability
Ring diameter: 25 mm
Rail type: 20 mm
Color: Matte Black

Package Includes:
1 x T6 Tactical Flashlight
1 x remote pressure switch
1 x firearms bracket