Description: 1. Material: Made of aluminum alloy, wear-resistant and durable. 2. Features: solid all-metal structure, compact design, simple operation, easy to connect to existing sights and optics. Specification: Name: Red laser sight/Green laser sight Colour: Black Light color: red/Green Power: <1mw Wavelength: 650 nm Irradiation distance: 100m Use battery: 1x CR2 OR 14250 battery (Dont include) Suitable pipe diameter: 10-20mm Size: 80*45*43mm Net weight: 78g Gross weight: 115g List: 1*sight 2*wrenches Tips: 1. Due to manual measurement, please accept an error of 1-3 cm. 2. Due to the difference of light and screen, the color of the product may be slightly different from the picture.