Red Dot Collimator Sight Compact Metal Red Sight with Rail Mount . Sight collimator pistol rifle shotgun . Sight collimator pistol rifle shotgun Characteristic: 1. （Class IIIA） Red light with a power of less than 5 mW (655 nm) provides maximum visibility day and night. Includes 2 sets of batteries (4 AG13 batteries) that will last for a longer time of use. 2. （Fits do most guns） The weaving rail of the red dot sight has a standard size of Picatinny 20 mm. 3. （High quality material） Made of durable aluminum aircraft body, sturdy and durable. It is anti-vibration, resistant to fog and shock. 4. （High accuracy） Adjustable airflow and height, ensuring accurate reference do zero target. Saving time and money. 5. （Portable do prohibits） Small size, compact, lightweight and easy to operate on/off button. Includes 2 sets of AG13 batteries (1 additional set of batteries). . Sight collimator pistol rifle shotgun . Sight collimator pistol rifle shotgun Specification: Material: metal Color: Black Light color: red Size: 62x29x23mm Point mode: point, constant focus, continuous output signal Wavelength: 635-655nm Maximum output power: lt;1mw(T)n 60825-1:2007 Voltage: dc3,0, cr 1/3n Range (G): 100 meters . Sight collimator pistol rifle shotgun . Sight collimator pistol rifle shotgun List of packages: 1 * vision 2 * key 2 * battery packs (4 sections) . Sight collimator pistol rifle shotgun . Sight collimator pistol rifle shotgun