Vism Compact Pistol Red Laser W/Keymod Rail Black. Each of these Red Laser Sights developed by VISM are fully adjustable for windage and elevation so that you can fine tune your device to best match your environment. This Vism Compact Pistol Red Laser features their patented KeyMod undermount that allows you to attach additional accessories under the laser increasing your customization potential. You can activate a steady beam or pulsing mode to best suit your situation and there's a master On/Off switch to quickly deactivate the laser to hide your position. Boost your shot performance in the field by equipping the Vism Compact Pistol 650nm Red Laser. Specifications for Vism Compact Pistol Red Laser W/Keymod Rail: Manufacturer: VISM Color: Black Beam Color: Red Attachment Type: Weaver Picatinny Battery Type: CR1/3N Battery Quantity: 2 Length: 2 in Width: 1.1 in Fabric/Material: Aluminum Mount Type: Weaver Features of Vism Compact Pistol Red Laser w/KeyMod Rail: Mounts onto most Weaver / Picatinny / MIL-STD 1913/ Pistol accessory spec rails. Fits full size and compact framed pistols with 1.7in-2.0in accessory rails. Fully adjustable for windage and elevation. Red Laser: 650nm Max output less than 5mw Class IIIa Laser. Button on each side of Laser Body allows the user to turn laser On/Off. Holding the button down while the laser is On turns the Strobe feature On/Off. The laser features our Patented KEYMOD undermount for future KEYMOD accessories that can attach to the underside of the laser. Package Contents: Vism Compact Pistol Red Laser W/Keymod Rail Vism VAPRLSRKM: Compact Pistol Red Laser W/Keymod Rail Black