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 full set of accessories, ready to use upon arrival. Features: - Constructed from high-grade aluminum alloy, offering lightweight durability, high strength, and corrosion resistance for extended use. - Infrared laser technology delivers bright, clear, and long-distance beam performance, enhancing calibration precision. - High-accuracy, no-calibration-needed design uses laser light with a straight-through tube for improved ease and accuracy in adjustments. - Simple and sleek battery compartment design; the tail cap opens by unscrewing for easy access, ensuring practicality and convenience. - Comes with a complete set of accessories for immediate use and enhanced usability. Specifications: - Name: Laser Calibrator - Material: Aluminum alloy - Color: Red, Green (optional) - Battery: 1 x CR2 battery, 3V, 800mAh (included) - Power: 3V