Athlon Midas EDC 1x 20x16mm Red Dot - 3 MOA Dot - Designed for today's subcompact carry firearms. For those looking for an extra-duty aluminum housing, this is it. With 50,000 hours of battery life the TSR series is always ready. The Midas EDC's compact footprint is ideally suited for the Sig Sauer P365, Springfield Hellcat, Glock 43 MOS, and many others using the RMSc footprint standard. Fully Multi-Coated: Athlon Optic's fully multi-coated glass gives you better light transmission with optimum brightness and true color across the entire light spectrum.; Motion Sensor: Built in motion detector automatically wakes the product up from the sleep mode when a motion is detected.; Extended Battery Life: Offers 50,000 hours battery life at medium illumination setting.; Waterproof: Regardless of how heavy the rain is coming down or an accidental drop in the water, this sealed and gas-purged optic will remain waterproof.; Motion Sensor; Nitrogen Purged; Aircraft Aluminum; Fog Proof; Shockproof; Adjustable Illumination; RMSc Mount;