The Remote controller can communicate with a smart phone or tablet device via Bluetooth Low Energy (BLE). Operation & Setting App is available on the App store. Has large size icons on a full touch panel display.
 Can set parameters (e. g., temperature) in advance on smartphone and the settings will be transmitted to the remote controller by enable BLE/Bluetooth transmission upon entry to the room. Popular for hotel rooms to conserve energy by allowing the guest settings to take effect when guests enters their hotel room.