Smart Thermostat & ReceiverWi-Fi Controlled ThermostatRemote Monitoring and SchedulingMultiple Energy Saving Features Clear LED Display and Manual Controls 2.4GHz Wi-Fi Connection Required Technical SpecificationThermostatPower Supply: 2 x AA BatteriesTemperature Display Range: +0? to +50?Temperature Set Range: +5? to +35?Temperature Display Accuracy: 0.1?Temperature Setting Accuracy: 0.5?Relay Rating: 8A @ 250V ACIngress Protection Rating: IP21Transmission Frequency: 868 MHzTransmission Distance: 100m (open field)Mounting: Wall or StandDimensions: 100x100x22mmReceiverPower Supply: 100-240V ACPower Source: Flylead or Mains adapter (comes supplied)Relay Rating: 8A @ 250V ACTransmission Frequency: 868MHzTransmission Distance: 100mWiFi Frequency: 2.4GHzDimensions: 86x86x28.5Technical Specification:Colour: White IP Rating: IP21Warranty: 1 Year