RUNN RW5 Smart thermostat three-in-one. Zigbee 3.0; input: 220V ~ 50-60Hz; surface material: alumina; surface color: black, gray, white and champagne; size: 86x86x30mm, supports: 1) water machine air conditioner + hydronic systems, 2) fluorine machine air conditioner + hydronic systems, 3) single fluorine machine air conditioner, single water machine air conditioner, single hydronic systems and single fresh air; when used with fluorine machine air conditioning, it is necessary to connect the air conditioning wire control gateway through RS485;