Red Laser Sight with QQ Scope Cliper Wave Length: 650nM With special QQ barrel clipper can install on 25.4mm riflescope Power: <3mWWave Length: 650nMWeight (net): 30g / 30g (1.1 ounces, Mount is 1.1 ounce)With special QQ barrel clipper can install on  25.4mm riflescopeDia. 17mm and Length 85mm (3.3 Inch)T6061 High class aluminum alloy in Beautiful Black MatteON/OFF switch controlRain proof and shock proof (can be used on real fire caliber)Windage & elevation adjustable with supplied hex key toolFittings: QQ barrel clipper, three pieces of AG13 batteries and two hex keys

Red Laser Sight with QQ Scope Cliper Fit Bow