Backlit Keys Touch Panel Door Access Control RFID Contactless Promixity Card Access Controller for Entry Home and Home Protection(Silver)

hello everyone we have prepared a video that we hope will be clear about how to install a lock with a keyboard and a button to be able to open a door only to people who are authorized to install the system you will need a central unit like this model called k80 you must connect it to the power with a plug before continuing we want to tell you that although we are going to make the connections with the equipment connected to the current to see its operation we always recommend that you make all of the connections to have it unplugged from the current to avoid a short circuit although you can connect it directly to the k80 unit to see it more clearly we recommend a small strip where you can simplify the connections in the push connector we will use a yellow wire and it will be used to receive the contact to open the door the ground wire or gnd we will use it in black and you will receive