The ECKey EK4 works with users’ Bluetooth-enabled phones or PDAs to act as a key, automatically locking and unlocking any door, gate or alarm.
Range can be set from 3 feet for a door, up to 30 feet for a gate. Doors can unlock automatically or after entering a pre-configured PIN.
Features include a virtual keypad and long-range proximity reader capability. The system requires an electronic door lock, gate, alarm garage or Wiegand-compatible access control system; an ECKey reader; and a Bluetooth phone or device. Android, iPhone etc. phones and bluetooth devices. Your experience may vary depending on model and manufacturers drivers.

