Seco-Larm SK-1123-SDQ Vandal Resistant Outdoor Access Control Keypad with Proximity Reader; 1,100 Users over 2 Outputs; Codes may be 4~8 digits Outputs can be programmed to activate for up to 99,999 seconds (nearly 28 hours), Super user code gives admin access to keypad Up to 50 (01~50) possible temporary visitor codes, which can be programmed for one-time or limited-time use (1~99 hours); Programmable egress input with optional warning alarm and delayed egress Real-time clock to auto-disable access at specific times, Up to 50 (01~50) duress codes for output #1 and 10 (01~10) for output #2 IP66 Weatherproof Rating, Mounts to a standard single-gang back box (surface-mount back box included), Durable and attractive stainless steel faceplate