The Cyclops VB250 is excellent for hunting at night or in low-light conditions. Mount this light directly to the scope on your rifle and create a night time target elimination system. With an output of 250 lumens this light will expose those varmints moving in the dark at up to 660 feet!Features250 Lumens High-Output Cree Green LED Light 660 Foot Range with 3-4 Hour Burn Time One Rechargeable 3.7V 2600 mAh Batteries; includes A/C and Car Charger plus batteryBRQ Scope Rail Mount Adapter with quick detach 16mm Weaver-Style Adjustable Ring Tactical Tail Cap with Pressure Switch and Push Button On/Off Cap Switch Aviation Grade Aluminum