3 MOA Compact Shake Awake Enclosed Red Dot Sight! Fully sealed and closed. Emitter red dot optic. Its closed housing seals all electronic components safely within the body of the sight, prevents rain, mud, sand, or snow from blocking operation of the sight. Ensure fogproof and waterproof performance, making it reliable in the harshest weather and environmental conditions. For RMR Footprint & Glock MOS & Picatinny Rail Systems. Comes with RMR adapter plate and MOS plate and high picatinny rail mount, fits for most pistols, handguns rifles or other picatinny rail systems. Note: NOT fits glock 43 mos / 48. Compact reflex sight integrates with. Shake Awake motion sensing illumination. Tech to help save battery life, a CR2032 battery can be used for up to. Without motion, illumination shuts off, even the smallest tap or tilt will wake it up to the previous brightness setting. If unfortunately you received a defective item, we will send you replacement or give you cost back! Any problems just feel free to contact with us, we will resolve every problem for you! Why Choose the HHC-A18 Closed Red Dot Sight? Comes with RMR plate and MOS plate and high Picatinny mount giving you optimal flexibility. Completely enclosed LED is water tight, making it reliable in the harshest weather and environmental conditions. Shake Awake technology (240s Auto off without motion & Auto on even with small motion). Easy return to zero and hold zero without fail (passed 1000 Rounds without losing it). 3 MOA red dot reticle is crisp and very clear on the brightest days. Optical glass with multilayer coatings applied to facilitate maximum light transmission and wear resistance while reducing glare. 10 illumination settings (8 daylight plus 2 NV) for visibility in all light conditions. CR2032 battery is. Allowing for quick battery replacement. Battery is included in the box. Dot Size: 3 MOA. Objective Lens Diameter: 19mm/0.75in. 10 Illumination Settings: 8 Daytime/2 NV. Center Height: 39mm/1.54in. Body Material: 7075 Aircraft-grade Aluminum. Lens Color: Fully Multi-Coated Ruby Red. Windage/Elevation Range: 90 MOA. Net weight: 2.61 oz. Battery Type: 3V CR2032. Battery Life: 1000h – 50,000h. 1 x Enclosed Red Dot Sight. 1 x CR2032 Battery. 1 x High Picatinny Mount. 1 x RMR Adapter Plate. 1 x Glock MOS Plate. 1 x Cleaning Cloth. 2 x Mini Wrenches. 1 x Screw Sets. When installing with adapter plate, please attach the adapter plate to the optic footprint with the included screws first, then attach red dot to the adapter plate. Press “+” to power on, hold “_” for 3 seconds to power off.