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 laser light with a straight tube for more convenient and precise alignment. The shipment includes a full set of accessories, ready to use upon arrival. Features: - Constructed from high-grade aluminum alloy, providing lightweight durability, high strength, and corrosion resistance for extended use. - Infrared laser technology delivers bright, clear, and long-distance beam visibility, enhancing calibration precision. - High accuracy with no need for adjustments; the integrated laser and straight tube design allow for easy and accurate alignment. - Battery compartment features a simple, sleek design with a screw-off tail cap for easy access and practical operation. - Complete set of accessories included for immediate use and enhanced convenience. Specifications: - Name: Laser Calibrator - Material: Aluminum alloy - Color: Red, Green (optional) - Battery: 1 x CR2 battery, 3V, 800mAh (included) - Power: 3V