SPECIFICATION: Product net size: 41*86*86MM Product packaging weight: 215g for 3A, 275g for 16A Load current: plumbing 3A (resistive), electric heating 16A 3A with linkage function: the 3A thermostat is powerful and can be used for water heating/gas boiler/wall-hung boiler Power supply voltage: 90V-240V AC Maximum power: 4500W Shell material: PC flame retardant material + protection grade IP20 Temperature sensor: NTC Temperature control accuracy: ±1°C Display: LCD Temperature setting: 5-60 degrees Self-consumption power: <1W Programming period: the thermostat supports 6 time modes per day for temperature setting Tuya APP mobile phone remote: download TUya APP on mobile phone, and all control can be controlled by mobile phone. Convenient and simple, enjoy smart life more.