wesmartify essentials radiator thermostat energy self-sufficient BT

From the jury's assessment

The BT essentials radiator thermostat runs without batteries and is energy-autonomous. It can be easily mounted on all common heating valves and its boost function ensures that the room heats up quickly. Operation is also particularly easy thanks to the optional app control via the essentials app. Therefore, the radiator thermostat earns the seal of approval for high quality, ease of use and functionality.

• Up to 4 heating intervals per day can be programmed.
• Display for temperature, status and valve position indication