Low Profile Magnetic Rechargeable Green Blue Red Beam for Pistol Handgun Rifle, Compatible with Glock 17 19

About this item

• 【21MM Picatinny + 1.26 inch Installation Space Requiblue】There are Three alternative screw holes on the blue beam, choose one for your preference and use the ONLY ONE SCREW to install the sight in a perfect location on your 21MM rail with cross slot. Also make sure your pistol have 1.26 inch Installation Space from cross slot to trigger guard.
• 【Safe & Adjustable Laser Beam】Bright and precision blue laser sight, Safe beam intensity/wavelength: <5mW peak, 440nm, Class IIIA. Highly visible blue laser in any environments which can reach up to 50-100 ft. during the day and up to 600-1000 ft. at night. In order to protect the threads of pistol light laser combo, please slowly tune Elevation and Windage interactively. Only one direction may damage the the threads.
• 【User Friendly】Easy ambidextrous activation for left and right-handed users. The blue beam is made of fiber-reinforced nylon material, which offers ultra compact and lightweight with Only 1.01 oz (battery included).
• 【Rechargeable Built-in Battery】The blue Laser sight for pistol is powered blue by a built-in rechargeable battery, A full charging takes about 1 hour and provide about 2 hours max continuous usage.