HUMM UKU Local 2" x 1" x 4" Digital On - Off, Time, Temperature Controller Black Finish For Sauna HeaterThe stylish UKU Local sauna controller makes sauna bathing convenient and easy. Connect it to your lighting, ventilation, and sauna heater to regulate everything through a single control unit. To ensure a safe sauna experience, UKU includes a door sensor, overheating protection, and child safety lock. Choosing a remote control Local: If you are not interested in heating your sauna from the phone, UKU Local may be the right choice. Wi Fi: UKU Wi Fi