311Z is a thermostat that uses the Zigbee communication protocol, so the 13112 thermostat requires the Zigbee Gateway as a bridge for network connection. After the mobile phone is connected to the Zigbee Gateway, follow the instructions of the APP to connect the 1311Z thermostat, and then the 1311Z thermostat in each room can be controlled through the mobile phone APP. Compatible with 4-wire/6-wire. Independently developed, software can be upgraded OTA. Power monitoring function, saving . External sensor to accurate temperature. Multiple modes, manual mode, programming mode, ECO mode., Weight: 0.7385485777 Pounds, Manufacturer: Aboiled