Description Parameter: Power: Receiver:230VAC 50/60HZ Thermostat: USB power supply/4*AAA Batteries Pls remove batteries when USB power is working. Display accuracy: 0.5°C Insulating condition: Normal environment Probe sensor: NTC(10k)1% Running program: Set per 1 week as a cycle Contact capacity: 5A/250V(WW);16A/250V(WE) Output: Switch relay Working environment temperature: 0~70°C Installation: Wall mounted or on battery seat Range of temperature adjustment: 5~35°C Size(mm):130*90*25 Package Listing: 1 * Thermostat. (Two types optional) 1 * Receiver. 2 * Screws. 1 * User Manual. 2 * Bracket Various Series Range 1 for gas boiler heating 2 electric floor heating 3 water heating Mounting type: wall hanging or stand on desk 4*AAA Batteries Application Gas boiler 5A(Dry contact) Water Valve 5A Electric heating 16A Wifi Multiple receiver controller If you need to use it, please purchase the Wifi multi-receiver controller Display accuracy:0.5°C Contact capacity:16A/5A/250V Working environment temperature:0~50°C Range of temperature adjustment:5~35°C Range of temperature display:0~40°C Installation Wall mounted or Destop placed Size 130*90*27 mm Application Gas boiler 5A(Dry contact) Water Valve 5A Electric heating 16A Programmable 5 2,6 1,7days programmable Mode Wireless,touch screen,digital Color:White Related Products:wifi thermostat,thermostat,thermostat for house,smart thermostat,smart thermostats for home,ac thermostats for home,digital thermostat A Set with one Receiver and one Controller:The gas boiler thermostat is with LCD digital display screen and simple to read.The set contains one receiver connected to the gas boiler or underfloor water or electric heating system,and the other wall-hung controller which is a WiFi version owns smart functions.And the two is connected via frequency.(Note:The controller is USB powered or Battery powered.There are two types of the thermostat:One is for gas boiler and underfloor water heating system,and the other is for underfloor electric heating system.) APP Compatible:Working with app, Thermostat offers the most comfortable temperature for your house when your hands are not free by using voice control. Smart Phone Remote Control:Remotely control your home temperature to attain advanced comfort via your Smart App,easy to operate on your smart phones anywhere you are.And you can even remotely lock the thermostat so no changes can be made. Weekly Programmable:Supports full auto programs or manual set up 6 1,5 2 and 7 days weekly schedule of 6 times period,providing you with the maximum convenience for different situation.Data memory when power is off.Besides,there is holiday mode is optional for you to enjoy more comfortable temperature in holidays. Family Sharing:Device share to your family members to control your house temperature via smart phone App together.All can enjoy the advanced comfort of the temperature.