100% new high quality. 2 mode:Cooling or heating Set maximum/minimum upper limit temperature to avoid accidents. Automatically start cooling or heating constant temperature. Temperature calibration. Temperature can be calibrated as required. High temperature alarm, when the temperature reaches the set temperature, the controller will alarm. How to use: Pre the SET key once, the display temperature flashes, and pre "+","-" to SET the required temperature (pre "+" or "-" to quickly rise and fall).The thermostat output is 10A/20Arelay, to meet a variety of high power load, connected to the control circuit, you can supply power for the thermostat, at this time the display screen for the environment temperature .(If you have problem of the product,please contact us ) Tips: If you need extra Temperature Sensor. Pleaseclick here ( Temperature Sensor ). Code Table: Code Function Set Range Default P0 Heating/Cooling H/C C P1 Return Difference 0.1-15 2 P2 Setting limits to the manimum 110 110 P3 Setting limits to the minimum -50 -50 P4 Temperature Correction -7-7 0 P5 Delay Start 0-10min 0min P7 Save Settings ON/OFF OFF Package include: 1 X Mini Digital Temperature Controller 100% new high quality. 2 mode:Cooling or heating Set maximum/minimum upper limit temperature to avoid accidents. Automatically start cooling or heating constant temperature. Temperature calibration. Temperature can be calibrated as required. High temperature alarm, when the temperature reaches the set temperature, the controller will alarm. How to use: Pre the SET key once, the display temperature flashes, and pre "+","-" to SET the required temperature (pre "+" or "-" to quickly rise and fall).The thermostat output is 10A/20Arelay, to meet a variety of high power load, connected to the control circuit, you can supply power for the thermostat, at this time the display screen for the environment temperature .(If you have problem of the product,please contact us ) Tips: If you need extra Temperature Sensor. Pleaseclick here ( Temperature Sensor ). Code Table: Code Function Set Range Default P0 Heating/Cooling H/C C P1 Return Difference 0.1-15 2 P2 Setting limits to the manimum 110 110 P3 Setting limits to the minimum -50 -50 P4 Temperature Correction -7-7 0 P5 Delay Start 0-10min 0min P7 Save Settings ON/OFF OFF Package include: 1 X Mini Digital Temperature Controller 100% new high quality. 2 mode:Cooling or heating Set maximum/minimum upper limit temperature to avoid accidents. Automatically start cooling or heating constant temperature. Temperature calibration. Temperature can be calibrated as required. High temperature alarm, when the temperature reaches the set temperature, the controller will alarm. How to use: Pre the SET key once, the display temperature flashes, and pre "+","-" to SET the required temperature (pre "+" or "-" to quickly rise and fall).The thermostat output is 10A/20Arelay, to meet a variety of high power load, connected to the control circuit, you can supply power for the thermostat, at this time the display screen for the environment temperature .(If you have problem of the product,please contact us ) Tips: If you need extra Temperature Sensor. Pleaseclick here ( Temperature Sensor ). Code Table: Code Function Set Range Default P0 Heating/Cooling H/C C P1 Return Difference 0.1-15 2 P2 Setting limits to the manimum 110 110 P3 Setting limits to the minimum -50 -50 P4 Temperature Correction -7-7 0 P5 Delay Start 0-10min 0min P7 Save Settings ON/OFF OFF Package include: 1 X Mini Digital Temperature Controller