This laser calibrator is made of high-grade aluminum alloy material, lightweight, high strength, corrosion resistance, 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 unit includes a complete set of accessories for immediate use and ease of operation. Features: - Constructed from high-grade aluminum alloy for durability, lightweight handling, and corrosion resistance - Infrared laser technology delivers bright, clear, and long-distance visibility for improved calibration accuracy - Precision-engineered with a straight tube design to enable quick and accurate adjustments - Streamlined battery compartment with a screw-off tail cap for easy access and battery replacement - Includes all necessary accessories for immediate setup and operation Specifications: - Name: Laser Calibrator - Material: Aluminum alloy - Color: Red, Green (optional) - Battery: 1 x CR2 battery, 3V, 800mAh (included) - Power: Infrared laser output