Red laser sight with Weaver mount, black. Specifications: - Red laser: freq. 635-655Nm, class IIIA laser - maximum output: < 5mW - Weaver mount will easily clamp onto compact and Subcompact pistols that have a Weaver style accessory rail - fully adjustable for windage and elevation - side to side toggle on/off end cap switch - uses 2 each AG13 button cell batteries (included) - includes mounting tools - dimensions: 1.7" L x 1.0" W x 1.1" h - weight: 1.3 oz. Includes: - Red laser sight - Weaver mount - mounting tools - 2 AG13 button cell batteries.