- SONOFF TRVZB smart thermostat for radiators, ideal for efficient heating system control - Compatible with standard M30 x 1.5 mm valves and includes adapters for different models - Remote control and scheduling via the eWeLink app, with the option to create automatic and manual scenes - Allows valve opening adjustment between 0% and 100% with 1% precision, optimizing energy consumption - View historical usage data daily, weekly, and monthly for up to 6 months - Easy and quick installation, no special tools required - White, compact, and discreet design, suitable for any environment - Requires Zigbee 3.0 hub for operation