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 uses infrared light with a straight tube for 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 bright, clear laser light ideal for long-distance visibility, aiding in accurate calibration. - Highly accurate and adjustment-free design utilizes laser light with a straight tube for easier and more precise adjustments. - Battery compartment has a simple, sleek design; the tail cap can be unscrewed for easy access, making it practical and user-friendly. - Includes a full set of accessories for immediate use and enhanced convenience. Specifications: - Name: Laser Calibrator - Material: Aluminum alloy - Color: Red, Green (optional) - Battery: 1 x CR2 battery, 3V, 800mAh (included) - Power: <5mW - Diameter: 4.2mm - Item size: 178 x 18 x 18mm / 7.01 x 0.71 x 0.71in - Item weight: 60g / 2.12oz - Package size: 195 x 104 x 30mm / 7.80 x 4.09 x 1.18in - Package weight: 131g / 4.62oz Packing List: - 1 x Laser Calibrator - 1 x Screwdriver - 12 x Adjustable Adapter - 1 x Set of Screws - 1 x Wrench