The remote communicates with the receiver, which can program up to 40 transmitter, and it has a range of 160 feet. The function of the receiver is that when the power is on, the mag lock of your kit is locked and when you press the remote the mag lock will unlock temporarily to open the door.
0/5/10 seconds locking delay time adjustable, default is 5 seconds. An exit button is included in this magnetic lock system kit, and you could exit from indoors easily by pushing it once. Fail Safe mode: Unlocked while power is removed. Lock Size: 250x48.8x27.9(mm) / 9.84x1.92x1.10(inch).
Armature Plate Dimension: 180x38.8x13(mm) / 7.09x1.53x0.51(inch). Working voltage: 6VDC (Built-in button battery). Powerd by: 2pcs CR2016/3V batteries (Included). Service Life of the Battery: 50000 cycles tested. This item is in the category "Home & Garden\Home Improvement\Home Security\Door Entry Systems & Intercoms". The seller is "checlo_8" and is located in this country: US. This item can be shipped worldwide.