Hit your mark with the iPROTEC Q-Series Laser Sight. The ultrabright beam is controlled by 2 side-positioned on/off buttons, allowing for ambidextrous use. An adjustable hinge-mount design offers tool-less installation, making it easy to install or remove in the field. Rugged reinforced nylon construction is water- and impact-resistant, holding up to brutal conditions and heavy recoil. A bottom-positioned disable button on the Q-Series Laser Sight can be activated for carry and transport, ensuring the laser doesn't accidentally turn on. Beam is adjustable for windage and elevation with the included Allen wrench. Ideal for compact and subcompact pistols Ambidextrous controls for easy operation Adjustable beam for windage and elevation Tool-less installation designSC-R Red 5mW, 635nm laser is visible up to 412 meters away. Runs for up to two hours on three CR1/3N batteries (included).SC-G Green 5mW, 532nm laser is visible up to 457 meters away. Runs for up to five hours on one CR2 battery (included).