💖【RMSc Footprint】 -- A17 micro green dot sight for pistols is compatible with industry standard RMS/RMSc footprint. For ultra-compact or compact pistols such as Canik TP9 SC Elite, Canik Mete SFX / SFT, Springfield Hellcat OSP, Hellcat Pro OSP, Sig sauer P365XL / P365X, Sig sauer P322, Glock 48 mos, Glock 43x mos, Ruger max9, Walther PPS M2, Walther Q4/Q5, SMITH & WESSON Performance Center M&P9 M2.0, SMITH & WESSON M&P9 Shield Plus, etc...💖【Shake Awake Technology】 -- Open reflex sight integrates with Motion Activated illumination (MOTAC) technology. First please activate the function by pressing “UP" arrow to power on the green dot. It will automatically shut off after 4 minutes without motion, and will auto wake up even with the smallest tap. Effectively extends the battery life, a CR2032 battery can be used for up to 30,000 hours..💖【Compact design & Ultra Lightweight】 -- The mini green dot sight is small enough for concealed carry self-defense, its net weight only 25g/0.88oz. 2 MOA promotes rapid target acquisition while providing a precise point of aim, getting shots down range and on target fast. You can co-witness the regular sight with the micro dot sight mounted..💖【Excellent Performace】 -- Compact rmsc micro dot sight constructed from aviation-grade 7075 aluminum material, hard coated in matte black. Its lens is manufactured using optical glass with multilayer coatings applied to facilitate maximum light transmission and wear resistance while reducing glare. 1800Gs shockproof, IPX8 waterproof and anti-rust for use in rugged conditions..💖【GOWUTAR Brand Guarantee】 -- All customers enjoy 60 days Free-risk shopping and 3 years technical Warranty. If the shake awake red dot you received is defective, we will give you a replacement or refund soon. Any problems just feel free to contact with us, we will resolve every problem for you!