FP Signal Electric Radiator Thermostat 16A Smart Thermostat Enabled Programmable Temperature Controller with Six Controlled Heating Electricity Metering Open Window Function 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