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 more convenient and precise alignment. The shipment includes a complete set of accessories, ready to use upon arrival. Features: - Made of high-grade aluminum alloy material, lightweight, high strength, corrosion resistant, and built for durability. - Infrared calibrator emits laser light that is bright, clear, and effective over long distances, aiding in accurate calibration and adjustment. - Highly accurate and maintenance-free design uses laser technology with a straight barrel for improved ease of use and precision. - Battery compartment has a sleek and simple design; the tail cap can be unscrewed for easy access, making battery replacement convenient. - Includes a full set of accessories for immediate use and enhanced functionality. Specifications: - Name: Laser Calibrator - Material: Aluminum alloy - Color: Red, Green (optional) - Battery: 1 x CR2 battery, 3V, 800mAh (included) - Output Power: