This laer calibrator is made of high-grade aluminum alloy material, lightweight, high strength, corrosion resistance, and with long service time. Highly accurate and adjustment-free design, the calibrator utilizes infrared light, with a tube straight in for a more convenient and precise adjustment. Shipment includes a full set of accessories, available on arrival and easier to use.<br>Features:<br>Made of high-grade aluminum alloy material, lightweight, high strength, corrosion resistance, and with long service time.<br>Infrared calibrator, laser light has a long-distance, bright, and clear light, which better helps calibration adjustment.<br>Highly accurate and adjustment-free design, the calibrator utilizes laser light, with a tube straight in for a more convenient and precise adjustment.<br>The battery compartment design is simple and beautiful, the tail part can be opened by unscrewing, convenient and practical.<br>Shipment includes a full set of accessories, available on arrival and easier to use.<br>Specifications:<br>Name: Laser Calibrator<br>Material: aluminum alloy<br>Color: red, green (optional)<br>Battery: 1 * CR2 battery, 3V, 800mAh (included)<br>Power: