This laser calibrator is made of high-grade aluminum alloy material, lightweight, high strength, corrosion resistant, and designed for long service life. Featuring high accuracy and an adjustment-free design, the calibrator utilizes infrared light with a straight tube for convenient and precise alignment. The shipment includes a complete set of accessories, ready to use upon arrival. Features: - Constructed from high-grade aluminum alloy, offering lightweight durability, high strength, corrosion resistance, and extended service life. - Infrared laser technology provides bright, clear, and visible light over long distances, enhancing calibration precision. - High accuracy with no need for adjustments; laser beam aligns straight through the tube for improved convenience and accuracy. - Simple and sleek battery compartment design; tail cap opens by unscrewing for easy access, ensuring practicality and ease of use. - Comes with a full set of included accessories, ready for immediate use out of the box. Specifications: - Name: Laser Calibrator - Material: Aluminum alloy - Color: Red, Green (optional) - Battery: 1 x CR2 battery, 3V, 800mAh (included) - Output Power: