The 7456 kit is a one door 1200 lbs maglock buzz-in kit for doors that opens out. It is mainly used for customers to remotely unlock their door. This package includes a maglock, wireless RF receiver, wireless RF remotes, power supply, and exit button. You will be able to let people in by clicking on the wireless RF remote, the VIS-8005. The remote communicates with the wireless receiver, VIS-8004, which can program up to the 50 remotes and has a range of up to 150 feet. There are three functions on the receiver that will allow you to set the system based on your preference.