YUNAFFT Smart Thermostatic Radiator Valve — Energy-Saving Heating Controller with eWelink App & Open-Window Detection

YUNAFFT — Customer Support: If anything is unclear or you need assistance, contact us and we will respond as soon as possible. Ideal for gifts. Compatible with existing radiator valves that use "M30 x 1.5mm" threads. The package includes valve adapters to fit the majority of heating systems and manufacturers (RA/RAV/RAVL/CAL/GIA/M28 adapter included). Smart control features include eWelink APP remote control, voice control, programmable schedules, and group control for managing multiple valves together. Open Window Detection automatically shuts the radiator off during ventilation to prevent wasted energy. The unit stores usage history and supports queries for up to a maximum of 6 months, allowing you to review daily, weekly, and monthly heating consumption. 3.0 Standard Compatible: works with hubs using the 3.0 protocol such as iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-P and ZBDongle-E.