It has an infrared opening sensor that allows manual access in front of the product without finger contact with the button.
It is more practical with a blocking signal and releasing LED accesses. When the color changes you can instantly see if the door is open or closed.
BT 4000 driver is compatible with 4x2 boxes and can also be built-in masonry or wooden walls. It's convenience combined with quality for you.
Frame with stainless steel finish. Its security system, besides all advantages in access control, has a better look and it last longer.