Applications: New installations, Retrofit installations, Control of individual radiators Room by room heating zones, Compatible with wet central heating systems including gas and oil boilers & heat pumps Benefits: Energy efficiency - up to 30% heat energy savings. Automatic scheduling, Simple and intuitive user controls, Improved temperature regulation, Easy to install - no wiring or plumbing required, Set and forget, No requirement for WiFi or App, Cost-effective SAP points for part L Energy Company Obligation eligible measure Features: Frost protection, Intelligent pre heat Autonomous occupancy driven scheduling Whisper mode - quiet night-time operation, Weekly decalcination cycle, Boost button - temporary temperature override, Runs on 2 standard AA batteries (included), 7-year no quibbles manufacturers warranty, Damp protection, 2-year battery life, Manufacturer: Secure Meters (UK) Ltd