Please note: A central control unit (e.g. B01MTU4ID1 or B01MTU4LCO) is required to control the radiator controller via smartphone app and Amazon Alexa, which establishes communication with your router via Wi-Fi (W-LAN) Individual, needs-based daily / weekly heating profiles can be configured for up to 12 zones (rooms), any number of radiator thermostats can be used within the radio range, up to 6 switching times per day programmable Secure, bidirectional radio connection to the central operating device. Measures the actual room temperature, central temperature reduction according to the schedule or possible manually, window open detection (automatic temperature reduction when the window is open) Large, illuminated display with adjustable display position, information is shown in plain text using symbols and text lines, manual operation of the radiator controller and changing the room temperature is possible at any time Also ideal in rented apartments and when renovating: thanks to battery operation and innovative radio technology, quick installation and simple commissioning is possible without any complex assembly work, such as prying open walls or laying cables Easy installation and commissioning, there is no need to drain the heating water. Fits all common M30 x 1.5 radiator valves such as Honeywell, Braukmann, MNG, Heimeier, Wingenroth (Wiroflex) R.B.M, Oventrop Type A and AV6 and Danfoss

Technical Details Manufacturer: ‎Honeywell Home Part Number: ‎THR092HRT Product Dimensions: ‎5.4 x 9.4 x 6 cm; 199.58 g Batteries: ‎2 AA batteries required. Item model number: ‎THR092HRT Is Discontinued By Manufacturer: ‎No Size: ‎Norme Colour: ‎White Style: ‎Honeywell Home Radiator controller with evohome display for controlling the heating Finish: ‎Mat Material: ‎Polycarbonate (PC) Shape: ‎Round Power Source: ‎Battery Powered Voltage: ‎1.5 Volts Item Package Quantity: ‎1 Number Of Pieces: ‎1 Measurement System: ‎Metric Display Style: ‎LCD Plug Profile: ‎radiator assembly Special Features: ‎Lighted Usage: ‎Temperature: Included Components: ‎2 x AA batteries Batteries Included?: ‎No Batteries Required?: ‎Yes Battery Cell Type: ‎Manganese Description Pile: ‎aa Item Weight: ‎200 g Additional Information ASIN: B00MPJER4E Date First Available: 14 Aug 2014

2 x AA batteries