The LaserLyte K-15 Green Laser with Pressure Switch is a high-quality and durable laser sight designed for rifles. It features a Picatinny mount for easy installation on the rail of your firearm, allowing for precise aiming and target acquisition. The green laser color provides a bright and clear beam, perfect for hunting or sport activities. This laser sight is powered by batteries and offers a dual focal plane for versatility in different shooting situations. Overall, the LaserLyte K-15 is a reliable and reliable accessory for any gun enthusiast. Uses one CR-123 battery.