Item Type: Temperature controller Model: XH W3001 Material: ABS, PVC Voltage: AC110-220V Power: 1500W Temperature Range: -55 - +120 Error: 0.1 Size: Approx. 60 x 45 x 31mm / 2.4 x 1.8 x 1.2in Package List 2 x Temperature Controller 4 x Wiring Connector This digital thermostat only supports degrees Celsius. 12 Working Modes: The temperature controller has 2 heating modes, heating mode, when the temperature is lower than the stop heating temperature. And cooling mode, when the temperature is higher than the stop cooling temperature. 2Waterproof Probe and Connector: The 1m stainless steel waterproof probe in the kit is not easy to rust and easy to use, equipped with rapid connector wiring is simple, safe and beautiful. 3High Accuracy of Measurement and Control: LED indicator can show the current output status, digital display tube can show the measured temperature, high accuracy of temperature measurement and control. 4ABS Housing: Our digital LED temperature controller is made of ABS material, environmental protection, impact resistance, high and low temperature resistance. 5Widely Used: The digital display temperature control module can be widely used in greenhouses, air conditioning systems, constant temperature systems, instrument boxes and laboratories, etc.