This laser calibrator is made of high-grade aluminum alloy material, lightweight, high strength, corrosion resistant, and built for long service life. Featuring high accuracy and an adjustment-free design, the calibrator uses infrared light with a straight tube alignment for more convenient and precise adjustments. The package includes a full set of accessories, ready to use upon arrival.Features: - Made of high-grade aluminum alloy material, lightweight, high strength, corrosion resistant, and designed for durability. - Infrared laser calibrator emits bright, clear light over long distances, aiding in accurate calibration and alignment. - Highly accurate, no need for adjustments; utilizes laser light with a straight tube design for improved precision and ease of use. - Simple and sleek battery compartment design; tail cap opens by unscrewing for easy battery replacement. - Includes a complete set of accessories for immediate use and convenience.Specifications: - Name: Laser Calibrator - Material: Aluminum alloy - Color: Red, Green (optional) - Battery: 1 x CR2 battery, 3V, 800mAh (included) - Power: 3V