The OMP Light Stryke laser is a powerful 5mW green laser that diffracts in water enabling you to just aim and strike. It features a remote pressure switch for activating the laser on demand. Constructed from CNC machined aluminum, the Light Stryke is virtually indestructible. Fully adjustable, it mounts on either recurve or compound bows, and can be used for left or right handed shooters. The sight operates on 1 CR2 battery which is included with the laser.