1. APP remote control: With the for APP, you can remotely monitor the temperature of your home anytime and anywhere<br> 2. Voice control: Works with for and for Home to achieve voice control. With just one voice , the smart thermostat can run, freeing your hands<br> 3. Weekly programmable: Up to 48 schedules can be set in a day according to the needs and habits of users, and the room temperature can be adjusted regularly to provide a personalized experience<br> 4. Energy saving: Our heating energy saving concept is realized from humanized . for App settings help you optimize energy use and choose the most suitable and economical heating mode<br> 5. Support 9 languages: The display panel of the Star Ring smart thermostat supports 9 languages, ensuring that users with different language backgrounds can easily browse and manage settings<br> Voltage/Frequency: 95-245VAC, 50/60Hz<br> Current Load: 5A<br> Communication Method: Wi-Fi<br> Module Model: ZT3L<br> Maximum Power: +20dBm<br> Operating Frequency: 2.405-2.480ghz<br> Zigbee Standard: IEEE 802.15.4<br> Sensor: NTC3950 10k<br> Accuracy: ±1℃<br> Set Temperature Range: 5℃-35℃<br> Display Temperature Range: 5℃-99℃<br> Storage Temperature: 0℃-45℃<br> Energy Consumption: Less than 1.5w<br> Timing Error: Less than 1%<br> Protection Class: IP20<br> The product appearance and printed words depending on the batch, but this does not affect use<br> Colour:Black<br> Material:plastic<br> Package Contents:<br> 1 x Smart Knob Thermostat<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.