Characteristic: 1. MAIN APPLICATION: This laser sight can quickly and accurately adjust any view, which is convenient and efficient to use. 2. LONG DISTANCE USE: At night, the laser lights can be seen from a distance of more than 100 meters. The calibration device can also be used at night. 3. ALUMINUM ALLOY MATERIAL: Made of aluminum alloy, the laser sight is strong and lightweight, you can use the sight for a long time without hand fatigue! 4. APPLICABLE SCENARIO: The laser sight is suitable for a variety of hunting tools, use the sight for more interesting hunting ! 5. EASY CARRYING: The laser sight is small in size, making it easy to store and carry for convenient use. . ALUMINUM ALLOY LASER SIGHT 650nm, ED Specification: Item Type: Laser Sight Product Material: Aluminum Alloy Power supply: 3 x LR44 button batteries (incl. batteries) Length: approx. 155 mm / 6.1 inch Application: Red laser sight calibrator Power: less than 1 mW (maximum output power 1 MW ) Wavelength: 650NM . ALUMINUM ALLOY LASER SIGHT 650nm, ED List of packages: 1 x Laser Sight 1 x Key 1 x Screwdriver 6 x Nut 3 x Button Battery . ALUMINUM ALLOY LASER SIGHT 650nm, ED . ALUMINUM ALLOY LASER SIGHT 650nm, ED