Professional grade optical calibration tool, designed for shooting enthusiasts and hunters. Equipped with a high-precision red green dual frequency laser system and compatible with various optical sights, it helps you achieve fast and accurate zeroing correction, greatly improving the calibration probability and rabbit hunting accuracy.Red green dual frequency laser optionalRed laser is suitable for daily environments, while green laser has higher brightness and remains clear and visible even in strong light or distant environments, meeting calibration needs in different scenarios.High precision and fast zeroingQuick installation through standard guide rails, emitting stable parallel calibration beams, visually displaying the aiming axis, simplifying the traditional tedious calibration process, and saving time.Widely compatible and adaptableCompatible with most optical sights (red dot scopes, holographic scopes, telescopic sights, etc.), comes standard with a multi size interface kit, securely installed, and plug and play.Durable and portable designAircraft aluminum alloy fuselage, lightweight and impact resistant; Built in CR2 3V battery, with long-lasting battery life, comes with a portable storage bag for easy outdoor travel.Maximum output power: less than 5MWLength: 178mmLaser wavelength: 532 nwBattery: CR2 3V