A true power pack that’s on its way to becoming a bestseller: powerful and inexpensive. The 600/150 lumen Walther Tactical Xtreme2 features two brightness levels, a stroboscopic effect and a handy, sturdy aluminum housing. It is operated by a button at the bottom of the housing and requires two CR123 batteries. Batteries and lanyard included. Length: 13.9cm. Weight: 140g.