1.This new innovation Programmable Wireless thermostat is used to control heating or cooling devices to maintain a stable and confortable room temperature.It has two working mode, standard heating mode, and standard cooling mode,addtional you can activate programming mode during those two mode, which will showP next to the time when program(P1~P8) is working.2.You only need to preset a TARGET temperature, then it will automatically turn on or turn off your home electric heating/cooling devices to maintain a stable room temperature.Furthermore, you also can preset P1~P8 with different TARGET temperature in different time range to obtain a comfortable circumstance for your families and save energy.Features:1. Plug and play, no need installation2. Super big LCD with green backlight, easily operate in dark environment3. Standard heating mode, Standard cooling mode4. Programmable design,can set different target tempeature in different time range5. C/F switchable6. Clock display: 12/24hr switchable7. RESET: One button back to factory mode8. Super long standby time, work with 2pcs AA batteries9. Muliti-channels,Easily learn code and built-up control system without interruption10. Children lock,Automatically lock this device if no operation for 10 minutesFunctions:1. Programmable versionAvailable set different target temp. in different time range2. Deactivate programsShut down all preset programs in two steps3. Built in temperature sensorControl heating or cooling devices from anywhere (within transmission range)4. Super big LCD with green backlightEasily operate even in dark environment5. Heating/Cooling modeControl heating in winter or cooling in summer6. Multi-channelsEasily learn code and built-up control system without interruption7. C/ F switchableEasily switch between C/ F during clock setting8. Long term standbySupport 2pcs*1.5V AA batteries,low standby current9. Children lockAutomatically lock this device if no operation for 10 minutes10. New designDesktop/Wall mounted/Hold in handSpecification:Max Ratings:230VAC/16A/50Hz/3680W(EU)230VAC/13A/50Hz/3250W(UK)120VAC/15A/60Hz/1800W(US)Temp.Range:0-60C/32~140FHeating program: P1~P4Cooling program: P5~P8Wireless: 433.92MhzTempature accuracy: 1 C/1.8 FCurrent Temp. Resolution: 0.1 C/ FTARGET Temp. Resolution: 1 C/FPower supply: 3V(2pcs AA 1.5V),batteries not includedPlug: Eu standardTransmisson Frequency: 433.92MhzMax range: 20 meters in open landMaterial: ABS PC MetalProduct demension: 12x8x4.5cm/4.72x3.15x1.77"(remote),13x7x6cm/5.12x2.76x2.36"(plug in socket)Package includes:1 Set Programmable Wireless Thermostat1 X Package Box1 x User Manual(English version)