The external temperature detector can detect the temperature. Screen lock protection function.
ESI Controls Electronic Digital Room Thermostat with TPI and Delayed Start
Horstmann Wireless Electronic Digital Room Thermostat Only HRT4-ZW
Digital Plug-in Thermostat Electronic Temperature Controller Sensor Socket Timer
Digital UK Plug in Thermostat Electronic Temperature Control Sensor Socket Timer
Digital Plug in Thermostat Electronic Temperature Controller Sensor Socket Timer
Digital Thermostat Electronic Temperature Refrigeration Heating Control -50~110℃