BSA 532nm Green Laser Sight with 140 Lumen Flashlight and Both Scope and Rail Mounts: * Features: * Black matte finish * 22-rail, Weaver-style base and 1" scope mount * Adjustable for windage and elevation * Momentary pressure switch * Visible range: 50 yds (indoor lit) * Visible range: 100 yds (outdoor night) * Dot size: 11.3mm at 10 yds * Output power: 3-5mW * Wave length: 532nm * Focus range: 50 yds * Laser class: 3R * Requires 3 CR123A batteries (included) * Hex wrench set and instruction manual also included * Weight: 0.54 oz * Dimensions: 5.3"L x 2.5"W x 6.2"H * Model# STSLLGCP