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. Features FULLY MULTI-COATED Effectively reduces reflected light and increases the transmission of light giving you a brighter image than normal single coated lenses. EXTENDED BATTERY LIFE Offers 50,000 hours battery life at medium illumination setting.