This Programmable Wireless Thermostat is intended for automatic control electrical heating in winter/cold area or control electrical cooling devices in summer/hot area. It will automatically turn on/off heating devices as your preset target temperature or preset time range, to maintain a stable room temperature in order to provide comfort and save energy. Features: Easy to Use: it consists of a remote control thermostat and a plug in socket, plug and play. Wireless Remote Design: built in temperature sensor to control your heating and cooling devices within max. 20m transmission range. Programmable Design: you can set different target temperature in different time range to obtain a comfortable circumstance and save energy. Backlight LCD: big LCD screen with green backlight displays current temperature, target temperature, clock/heat/cool programs, providing clear view even in dark environment. 12H/24H mode and °C/°F mode switchable. Heating/Cooling Mode Settable: used to control both heating or cooling devices. Heating program: P1~P4, cooling program: P5~P8. Flexible Usage: one remote control thermostat can be paired with multiple plug in sockets. Children Lock Function: the remote thermostat will automatically lock itself if there's no operation for 10 minutes. Reset Function: one button to delete all setting and back to factory setting. The remote control thermostat is designed with a stand and a hanging hole, can be placed in desktop or mounted on wall. Note: Please read the user manual carefully before first use. Specifications: Material: ABS + PC + Metal Plug Type: EU Plug / UK Plug / US Plug (Optional) Voltage: 220V-240V(EU) / 220V-240V(UK) / 110V-120V(US) Max. Current/Load: 230V/16A/3680W(EU); 230V/13A/3250W(UK); 120V/15A/1800W(US) Color: white Heating Program: P1~P4 Cooling Program: P5~P8 Temperature Range: 0~60°C/32~140°F Temperature Accuracy:± 1°C/±1.8°F Current Temp. Resolution: 0.1°C/°F Target Temp. Resolution: 1°C/°F Power Supply for Thermostat: 2 * 1.5V AA battery (not included) Max. Transmission Range: 20 meters in open land Transmission Frequency: 433.92MHz Thermostat Size: 12.4 * 8.2 * 4.2cm / 4.9 * 3.2 * 1.7in Thermostat Weight: 120g / 4.2oz Plug in Socket Size(with plug): 13.2 * 6.2 * 7.6cm / 5.2 * 2.4 * 3in (L * W * T) Plug in Socket Weight: 136g / 7.8oz Package Size: 20 * 16.5 * 10cm / 7.9 * 6.5 * 3.9in Package Weight: 406g / 14.3oz Package List: 1 * Remote Control Thermostat 1 * Plug in Socket 1 * User Manual(English)