This excellent temperature controller is perfect for aquarium reptile pets like lizard turtle etc incubators green house and refrigerator and places where needs constant temperature Stable temperature is related to the health and safety of the pet By using this thermostat with developed functions you can easily test and control its temperature Features Apply microcomputer technology to keep precise measurement Bright LED display direct and clear to see data Dual heating and cooling functions with the icon to indicate Freely exchange ℃ and ℉ Can adjust temperature difference and have adjustable output delay function to protect compressor Have a water proof sensor with 1m wire and sucker for better measurement Wide temperature testing range 40℃ to 110℃ temperature control range is 16℃ to 40℃ With 4 icons SNOW SUN COOL and HEAT to indicate your operation Note 1 In the cooling mode if the testing temperature issetting temp temp difference the cooling process will operate otherwise the cooling process will stop In the heating mode if the testing temperature issetting temp temp difference the heating process will stop otherwise it will start 2 We have the specific instructions in the complimentary user manual Specification Color BlackTemperature Measuring Range 40℃ to 110℃Temperature Control Range 16℃ to 40℃Resolution 0 1℃Accuracy 1℃Sensor Water proof NTC SensorSensor Cable Length 1 05mInput Voltage 110V US Plug 220V UK Plu