Precision Temperature Control: The smart radiator valve allows you to fine tune each room or zone with remarkable accuracy. Utilise separate programming for each day/week and switch up to 4 times per day. Reduce Energy Consumption: Energy efficient radiator valves help save on heating bills by adjusting output to the rooms and times you need. Easily program the smart trv with exact temperatures from 5 up to + 30 degrees C. Easy Installation: No DIY expert or tools required! The smart thermostat fits most standard radiator valves and simply screws onto existing systems. Universal: Compatible with most heating systems (including Honeywell Home, Danfoss, MNG and Heimeier) making it a versatile choice. Whether you have a traditional radiator system or a more modern setup, you can enjoy precise temperature control. Simple to Use: No app or wifi required. Always visible controls on a large LCD display which orientates to the left or right to suit the installation. The Rondostat and button control allow for precise manual temperature changes. Convenient Features: Enjoy anti freeze and frost protection, open window detection, and child lock to suit all of your heating needs. Modern Design: Our stylish, low profile, smart thermostat valve combines a sleek, modern shape with accurate controls to fit perfectly into any interior or décor.