This laser calibrator is made of high-grade aluminum alloy material, lightweight, high strength, corrosion resistant, and designed for long service life. Featuring a highly accurate, 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, providing lightweight durability, high strength, and corrosion resistance for extended use. - Infrared laser technology delivers bright, clear, and long-distance visibility for improved calibration accuracy. - Precision-engineered with an adjustment-free design and integrated laser light for straightforward, accurate alignment. - Ergonomic battery compartment with a screw-type tail cap for easy access and secure closure. - Includes a full set of accessories 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) - Power: Standard operation at 3V