Holosun RML-RD Handgun Laser - Red - The RML-RD (Rail Mounted Laser) is a miniature red laser aiming device designed for handgun applications. The RML-RD features a durable polymer housing and is powered by a CR1/3N lithium battery with two power settings, high mode (1mW) and low mode (5mW). The RML-RD has ambidextrous activation buttons and includes adapter keys for universal compatibility. The RML-RD is IP68 certified waterproof and dustproof and has a robust windage and elevation adjustment mechanism with tactile clicks for excellent zero retention under recoil and is compatible with many weaponlight holsters.