1) Working with DC12V system, very easy to install. Don't need to connect to computer. You can program the RFID cards or password on the device directly. 2) Support 1000 user capacity. Support RFID Card, password, RFID card + password to open the door. 3) Made of high quality. Has a door bell button, can be connected to a DC12V door bell. Support 0-15 seconds time delay adjustable. 4) Electric magnetic lock, holding force 180/350lbs. The door will be locked when power on, unlocked when power off. Very suitable for wooden door, metal door, glass door. 5) Package including access control keypad + 180KG Electric magnetic lock + power supply+ door exit button +10pcs Keyfobs., Manufacturer: HFeng