ZKTeco Access Control Keypad RFID Stand Alone Keypad Single Door Up to 1000 Users for Outdoor and Indoor With three modes, the keypad can be programmed for up to 1000 users total. Try the best to meet your needs With 1 Relay output and 1 PUSH (low) output, 1 door button Port and 1 doorbell… Continue reading ZKTeco Access Control Keypad RFID Stand Alone Keypad Single Door Up to 1000 Users for Outdoor and Indoor