7oz CO2 bottle with Pin Valve.

About the WADSN brand
WADSN is a Chinese supplier of quality functional replicas of military accessories, primarily weapon accessories such as flashlights, lasers and mounts. Thanks to the high quality and precise processing, the replicas can hardly be distinguished from the originals. All this for very reasonable prices. Assembling your ideal weapon has never been easier!

About the product:
-High Output LED provide up to 800 Lumens
-Powered by 2 pcs CR123A or 16340 Batteries (Not Included)
-3 Type s Rail Adaptors included
-material: Aluminium with Anodized
-Ultra Light Weight

Ambidextrous Switch on Rear Plate providing one-finger control, press the switch on either side for Momentary-ON or Flip up or down for Constant-ON.