Power Supply:Self-powered by temperature difference/5V by USB Type-C Port Built-in temperature sensor with support for external NTC sensor or WT401 wireless thermostat connection enables environmental detection and accurate control Maintenance-free, self-powered by temperature difference with no battery replacement required Theft-deterring accessories for structural anti-theft protection Equipped with NFC for one-touch configuration Adjust the room temperature automatically and manually with time-controlled regulation Up to 16 heating plans within one preset Date Period Supports open-window detection and freeze protection and child-lock feature for tamper protection in public areas Stores historical records locally and support retransmission to prevent data loss Supports Firmware Update Over-the-Air (FUOTA) IP30 Rated