Access Control Keypad System Weatherproof 125KHz RFID EM ID Card Wiegend 26 Single-Door Stand-Alone Control kepad Audible beep and visible indicator provide feedback for the user Access control interfaces for electric lock, door sensor, alarm, exit button and doorbell Lock control delay, Unlock duration, Alarm delay are programmable from 0 to 254 second Anti-vandal, waterproof & back-lit keypad with metal key buttons It supports smoke detector and infrared sensor etc.. If the Access Control device receives signal from detector, the alarm will be triggered, and the door is set as normally open.