Description:    Digital LCD Temp Temperature Controller Switch Cooling Heating Thermostat Relay   Features:   1. A mini temperature controller. 2. Compatible with heating and cooling control. 3. Temperature calibration function. 4. Delay protection function. 5. Upper and lower temperature setting function. 6. Temperature Range: -50 C~+110 C 7. Working Voltage: AC 220V 8. Relay Contact Current: AC 5A \/ 220V 9. Panel size: 48 x 48 x 78mm 10. Opening dimension: 45 x 45 x 67mm    Package included:      1 x Digital LCD Temp Temperature Controller Switch   2 x module    Details pictures: