Feature:1. The WIFI wireless thermostat can replace most common residential thermostat and is designed to be used with electric, gas or oil heating control system.2. Unlike ordinary single unit design thermostat, this unit is a new type of thermostat separating the thermostat function into two units.3. It can be placed anywhere in the home to detect and control the temperature of an area of the users choice. Not limited by power controlwiring locations.4. Link with the Receiver via RF. Control distance 100M open site.5. Large LCD display,the screen displays the set temperature and the room temperature also time simultaneously.6. Permanent user setting and program setting retention during power loss,Both Vacation mode and hold duration mode available for comfort and energy saving.7. Optional Programming Period: 7 individual day or Separate 5-day (weekday) and 1-day/1-day (Saturday/Sunday) programming with 4 or 6 separate time/temperature periods per day.8. Display temperature recalibrates, Low battery indication; Anti-freezing conservation; Pump conservation available,thermostat will not enter power saving mode when it is USB power supply.Specification:Features:The WIFI wireless thermostat can replace most common residential thermostat and is designed to be used with electric, gas or oil heating control system.Unlike ordinary single unit design thermostat, this unit is a new type of thermostat separating the thermostat function into two units.It can be placed anywhere in the home to detect and control the temperature of an area of the users choice. Not limited by power controlwiring locations.Link with the Receiver via RF. Control distance 100M open site.Large LCD display,the screen displays the set temperature and the room temperature also time simultaneously.Permanent user setting and program setting retention during power loss,Both Vacation mode and hold duration mode available for comfort and energy saving.Optional Programming Period: 7 individual day or Separate 5-day (weekday) and 1-day/1-day (Saturday/Sunday) programming with 4 or 6 separate time/temperature periods per day.Display temperature recalibrates, Low battery indication; Anti-freezing conservation; Pump conservation available,thermostat will not enter power saving mode when it is USB power supplyAttention:1.Turn off power of your house, then open boiler board and connect the signal wire.2.Thermostat position is within the range of WiFi signal coverage range.3.It will directly interfere the thermostat practically operation by signal strength, so please confirm that the thermostat installation position covered by WiFi and with good signal.Specifications:Support System: Android and iOSLink APP: smartColor: WhitePackage Size: 14.5*10*9cm / 5.7*3.9*3.5inPackage Weight: 443g / 15.6ozWireless ThermostatPower Source: 4 AAA batteriesnot include, USB power supply (5V 1000mA)Output: 1 channel passive linkage output (8A)IP Rating: lp21Temperature Setting Range: 5~35Temperature Setting Accuracy: 0.1Temperature Display: 5~50Temperature Display Accuracy: 0.1Operation Temperature Range: 0~50Wireless Transmit Range: 100mReceiverPower Source: 100~240V, 50/60HZOutput: 1 channel passive linkage output (10A)IP Rating: 1p21Ambient Temperature Transport: -10~60Temperature Setting Range: 0~50Wireless Transmitting Range: 100mCommunicaon Protocol: TCP/IP,MQTTWiFi Frequency: 2.41GHz-2.48GHzPackage List:1 * Wireless Thermostat1 * Receiver1 * Stents1 * Set of screws1 * User ManualPackage List:1 * Wireless Thermostat1 * Receiver1 * Stents1 * Set of screws1 * User Manual