Laser Sight for Gun Rails for Targeting & Shooting - Gun Laser Sight 5mW YX-803G Laser Sight for almost all types of guns. Fits almost all rails as the length between the clamps can be adjusted by tightening or loosening the screws. Aim with greater accuracy with this gun laser sight. The length between the clamps is 2 cm when the screws are fully tightened. Laser power 5mW. Laser color green. The package includes: 1 battery CR123A 1 household charger for the battery 1 laser 2 mounts (one for the barrel rail and one for the barrel) 1 Allen key suitable for the screws 1 pressure switch extension Dimensions: Length 11.7 cm x Width 3 cm Weight: 144 gr.