Features:

100% brand new.
Clear and super bright laser dot sight
Mounting latch(20mm switchable) fixes laser sight to weapon securely
Windage and elevation can be adjusted by Allen wrench
Direct clamp-on installation, quick release
Suitable for fast aiming and shooting at stationary and moving objects
Remote Pressure Switch:
Switch 1: Tailcap On/Off
Switch 2: Light momentary on switch by Pressure Pad
Specifications:
Power: <1mW Metal housing Wavelength: red 635nm~655nm Laser Range: 100M Tube size: 17mm Size: approx 57mm*11mm*29mm Net Weight:57g Weight: 67g Fits for most 20mm tactical firearms with or without rail slots Power: 3pcs x AG13 Cell batteries(included batteries) Notice: Class IIIA product, avoid direct eye exposure to laser beam Never point a laser beam at a person

Package included :

1x Tactical Red Laser Beam Dot Sight Scope
2x Allen wrenches
3x Button cells
1x Remote Pressure Switch