Pinty 1100lbs Electric Magnetic Door Lock Set with RFID Proximity Access & 10 Key Fobs RFID PROXIMITY ACCESS. Lock size: 10.49L x 2.87W x 1.57H inches; Armature plate: 7.08L x 2.39W x 0.58H(in) BETTER CONFIGURATION: Holding force: 1100lbs (500kg); Voltage: DC 12V; Current draw: 0.5A; Opening mode: 90 degree swinging door 3 WAYS to OPEN The DOOR: 1) By using a key fob that you swipe in front of the keypad. 2) By entering a password 3) From the inside, you can push an exit button. Note that this button is only available to exit, not to enter. MODE: NC (locked while power supply is operating), fail safe mode: keep all the data from loss due to power failure. SAFTY FUNCTION: Built-in voltage spike suppressor; Delayed control circuit system, automatica lock after 0-15 seconds; Automatic overload protection