Easy to use: with thermal detection probe and LCD screen to express the temperature Multi-function: cooling and heating, calibration, temperature calibration, compressor start delay, several out-of-limit alarms Memory function: in the event of a sudden power failure, the thermostat will automatically save the previous settings Stable and accurate: always maintain an ideal temperature range, resolution: 0.1 C accuracy: 1.0C Widely used: aquariums, reptile markets, incubators, greenhouses and refrigerators Features: Temperature control range: 16-40C Temperature measurement range: -40-100 C Compressor delay range: 0-150 seconds Resolution: 0.1C Accuracy: 1.0C Input voltage: 220VAC 15 percent Relay contact capacity: 230VAC, 10A max (Resistive Load) Inductive load: 275W or 220V Resistive load: 1100W or 220V Ambient Temperature: -10-60C Working humidity: 20 percent -85 percent (Non-condensing)