WLPK2-EM is a wireless access control. It is plastic case, reads 125KHz ID card, adopting 433MHz wireless communication technology and TEA+ rolling code encryption algorithm. And it can be connected with door contact, external alarm, external exit button, external door bell.
WLPK2-EM consists of three parts:
Wireless Access Control Keypad (install at the door outside)
Wireless Controller (install inside the door)
Wireless Exit Button (install inside the door)
One Wireless controller can be connected with 5 devices (Wireless access control keypad + Wireless exit button). And one Wireless access control keypad (or one Wireless exit button) can be connected with unlimited Wireless controllers.