Elock EL-COMOS5215 Classic Style Hotel door Lock with Stainless steel wire drawing. Stainless steel panel and handle.RFID MIFARE® technology,100,000 times write life for keycard, contactless reading keycard Euro mortise Openings 20,000 times for one new battery pack,Auto deadbolt Free-engage handle while locking. Passage mode activate by passage card for meeting case Do not disturb (DND) function for hotels: While thumb turn is on from inside, the lock will refuse the keycard outside by show red light.Panic release function: the deadbolt and latch are automatically retracted by inside handle shaking to easy egress when emergency happens 30mm-35mm thickness door. Each hotel lock equipped double clock, control the guests check-in and departure time accurately, Make your management of rooms easily.