Video Feature The Lightest Weight Full Metal Pistol Red Dot Sight in the World Only 18.4g 0.65oz 3MOA Dot Size, 8 Levels & 2 NV Red Dot, Slim & Low Profile, Snag-Free Design Complete User Control with Motion Sensor Feature (2 Minutes Auto Shut-Off) Window Size 17x24mm 0.7x0.9", 1" 25.4mm Width 50,000 Hours Battery Runtime for Weakest Visible Dot, IPX6 Water Proof, FDE MGT footprint compatible with RMSc, for GLOCKA(R) 43X/48 MOS, CanikA(R) TP9, WaltherA(R) PPS, SIG P365X / P365XL Specification Magnification: N/A Window Lens Size: 17x24mm / 0.7x0.9" Length: 40.9mm / 1.6" Width: 25.4mm / 1.0" Height: 24mm / 0.9" Weight (net): 18.4g / 0.65oz Eye Relief: Free Optics Coating: Multi Coated Parallax: Free (45MOA Dot Size: 3MOA Dot Intensity: 8 Levels & 2 NV Footprint: MGT compatible with RMS footprint Working Temperature: -20~+55C Housing Material: 6061-T6 aluminum alloy Mount Material: 6061-T6 aluminum alloy Battery Type: CR2032 Battery Runtime: 50,000 hours (the weakest visible dot) Finish: FDE Four sets different screws For close-in work and general shooting IPX6 water proof, shock proof to 1000g Designed for real fire arms and handguns Package includes: retail package, rubber lens cover, hex keys, screws and cleaning cloth etc (the sight does NOT come with a weaver mount base)