Wireless Communication[WiFi (2.4GHz / 5GHz)]Energy Saving Features[Optimum Start]Boiler Compatibility[230V Switched Live]ERP (Energy Efficiency)NBatteries IncludedYesYears Guaranteed5Width90mmTypeHeating Control PackTimer Cycle7 DayTemperature Range5 °C to 35 °CScreen TypeLCDPower Type[230V Mains]Number of Zones2 (Heating + HW)Height85mmDimensions(W) 90 mm x (H) 85 mm x (D) 50 mmDepth50mmColour FamilyWhiteColourWhiteSupplier Part NumberY9420S2005Range DescriptionSundialBrand NameResideo