Interface with the access control system via Wiegand protocol, allowing one to manage shields/cylinder without cables. Interface IEEE 802.15.4 UHF. AES 128-bit encryption/cylinder lock (Paired reader Hub). 5a 30 VDC power. LED signaling front. Dimensions (lid) 81,3x81,3x12mm (format compatible with electrical boxes). White tamper and ralay switch.