185296 Quantity：1 piece(s) per pack Color：Red Material：Aluminum alloy Suitable Gun Type：12 gauge shotgun Specification ： Wavelength: 635~655cm ，power < 5mw，powered by ：3 x AG13 batteries， adjustable red laser. Water resistant and anti-shock Packing List 1 x Red Laser bore sighter 3 x AG13 batteries 1 x English user manual