Features: *Basic function: storage memory, programming time, key control, intelligent timing, colour screen LCD WIFI optional, manual / automatic mode test *Accurate temperature control: 3A water heating / boiler built-in temperature sensor. 16A electric floor heating internal and external temperature sensor + with 3 metres of floor temperature wire detection. *Store memory: no need to worry about power outages resulting in the loss of setup data. *Child lock: Keypad lock to prevent children from misuse. *Product use: 16A for electric heating film/heated floor/electric ambient painting/heating cable/heated tiles. 3A for water system/gas boiler/wall boiler/water pumps. Perfectly suitable for home, office, shopping malls, sprinkler shops, breeding grounds and other types of places. Specifications: *Product Name:Thermostat *Material:plastic *Size:L95MM*W110MM*H60MM *Color:black *Product outer package size: L95MM*W110MM*H60MM *Product net weight: 3A net weight 142g, 16A product net weight 140g + line weight 60g *Load current: water heating 3A (resistive), electric heating 16A (optional) *3A with linkage function: control holding 3A thermostat is powerful enough to be used for water heating/gas boiler/wall oven, no need to stock multiple models. *Supply voltage:90V-240V AC Maximum power:4500W *Temperature Sensor: NTC Temperature Control Accuracy: 1°C *Display: LCD Temperature setting: 5-60 degrees Self-consumption power: