Features 1、【FP Signal Control】It can collect power carrier control signal and output FP signal to control the electric heater. 2、【Electricity Measurement】Statistics of electricity usage to ensure that every degree of electricity is fully utilised. 3、【Open Window Function】When the window is opened, causing the room temperature to drop 6℃ in 4 minutes, the thermostat will automatically turn off the electric heater, if the room temperature has rebounded 3℃ you can lift the function or lift the function on your own in 48 minutes or more, or you can lift it manually. 4、【APP Control】Smart thermostat that can be controlled from your mobile phone before you get home. 5、【Six Heating Modes】Holiday Mode; ECO Mode; Programming Mode; Anti-freezing Mode; Comfort Mode; Manual Mode. 6、【Accurate Temperature】Internal sensor, perceptible ambient temperature. Automatic temperature acquisition with 0.5°C accuracy. 7、【Weekly Programmable】The thermostat supports different temperature settings for 4 time modes per day. 8、【Storage Function】No need to worry about power down, data storage when power down. 9、【Usage】Suitable for electric heater. Perfect for home, office, hotel, etc. Specification Specifications: Model: ME223EH Material: ABS Power Supply Mode: 90-250VDC, 50/60Hz Current Load: 16A Temperature Setting Range: 5℃~35℃ APP Temperature Display Range: 5℃~60℃ APP to Set the Accuracy: ±0.5℃ APP Display Accuracy: ±0.5℃ Shipping Temperature Range: -10℃~60℃ Operating Ambient Temperature: 0℃~40℃ Six Controlled Heating: ① Holiday mode: APP set temperature (range 5℃~40℃, default 18℃) ② ECO mode: APP set temperature (range 10℃~ 20℃, default 16℃) ③ Programming mode (24 hours programming) ④ Antifreeze mode : In FP mode, the antifreeze mode is a fixed output waveform; In the switch mode, the antifreeze mode is based on the temperature set by the user, assuming that it is 5°, if it is lower than this set temperature (whether it is turned on or off), it will be forced to heat to 1° higher than the set temperature, and stop heating. ⑤ Comfort mode (range 18℃~25℃, default 22℃) * FP six modes added: Comfort mode -1℃, Comfort mode -2℃ ⑥ Manual mode (There is a manual mode only in switch mode) Item Size: 84 * 84 * 23mm / 3.31 * 3.31 * 0.91in Item Weight: 112g / 3.95oz Package Weight: 166g / 5.85oz Package Size: 9 * 9 * 8.8cm / 3.54 * 3.54 * 3.46in Package List <span style="font-size: 14px;">Package List:</span> <span style="font-size: 14px;">1 * FP Signal Electric Radiator Thermostat</span> <span style="font-size: 14px;">1 * Cable</span> <span style="font-size: 14px;">2 * Screws</span> <span style="font-size: 14px;">2 * Protective Cover</span> <span style="font-size: 14px;">1 * User Manual (English)</span>