This green KeyMod laser sight for AR 15 rifles with quick release is a compact green laser sight with a low profile, and it is extremely bright, It can be seen day or night. This green laser sight for rifles and AR pistols mounts directly to any keymod rail handguard with the flip of a lever, and no tools are required. The tactical green laser operates with a single multi-function button. Press and hold down the button for more than a second and the laser powers on. Tap the button to use the strobe feature. Press and hold down the button to power the laser off. This green laser sight is fully adjustable for elevation and windage. The Laser runs on two CR1/3N lithium batteries (included). The laser battery door locks in place, depress the center button and slide the door a ¼" and lift the door to access the battery compartment. The Laser body is constructed of rugged polymer, and the KeyMod base is made from steel. The Green Laser Beam has a frequency of 532nm, a maximum output of <5mw, and a length of 2.5".