The Walther TGS 40 light, a member of the Tactical Guard Series, produces a beam of 600 lumens with its CR123 batteries. It has an IPX 8 waterproof rating to 15m. The TGS 40 features two brightness settings (100 and 10 percent plus Tactical Defense Strobe) which ensures ease of use.
The Multi Battery System (MBS) gives users a choice between powerful CR123 batteries or rechargeable ICR18650 lithium-ion batteries.
143mm length, 113g
2X CR123 Lithium 3.0V battery
ANSI FL1 Standard - Technical Data
The American National Standards Institute (ANSI) published in 2009 the "Flashlight Basic Performance Standard", FL1 for short. So you can compare flashlights across manufacturer boundaries neutral. This lamp has been tested to stringent ANSI specifications.