Daisy accurate laser sight mounts onto most rifles and pistols using the hardware provided. Fits any 3/8" dovetail mount, 7/8" Weaver base or Picatinny rail. Adjustable for windage and elevation. The laser sight has an on/off switch in addition to a pressure remote-touch pad which can be located anywhere on your grip for shooting comfort. Comes with two replaceable sr-44 batteries and mounting hardware. Caution: this is not a toy. Adult supervision required. Misuse or CARELESS use may cause serious injury. Avoid direct eye exposure. Laser emitted from the aperture.