Usage Tips:A black ABS thermostat stc-1000-220V digital display automatic switching hot and cold 7.5 x 8.5 x 3.5cmSTC-1000--110-220VColor:BlackApplications:Aquarium, Terrarium, Vivarium, Chicken IncubatorTemperature Measuring Range: -50 - 90 Deg.CControl temperature range: -50 - 90 Deg.C (adjustable)Control temperature difference: 0.3 - 10 Deg.C (adjustable)Resolution: 0.1 Deg.CAccuracy: +/- 1 Deg.C (-50 - 70 Deg.C)Sensor: NTC sensorSensor error delay: 1 minuteRelay contact capacity (Heating): 10A (max) 250 VRelay contact capacity (Cooling): 10 A (max) 250 VCompressor delay protection time: 1 ~ 10 minutes (adjustable)Operating Temperature: 0 - 60 Deg.CStorage Temperature: -30 - 75 Deg.COperating Relative Humidity: 20 ~ 85 % (No condensation)Alarm Output : BuzzerPower Supply: 220VPower consumption: Less than 3 WCable length: 1 MPackage Contents: 4x thermostat