• With comfort indicators, even small changes in temperature and humidity can be monitored at a glance; • Continuous monitoring of indoor temperature and humidity changes; • Year-round care and support for your family‘s health; *Continuous monitoring of indoor temperature and humidity changes; * Temperature and humidity history; * Multiple Time Zone Clock * 12-hour and 24-hour time display options * High-precision chips and sensors. Ensure the accuracy of the data displayed; * Smart adjustment of temperature and humidity; * Large e-ink display. Wide viewing angle * Multi-component design enable flexible placement - Materials : ABS+PC - Net Weight : 57g( Batteries not included ) - Battery Type : CR2032(need to purchase two separately ) - Temperature Range : 0°C~60°C - Humidity Range : 0%RH—99%RH - Wireless connectivity : Bluetooth 5.0 BLE - Button: N/A - Item Dimensions : 110mm × 55mm × 10.1mm - Time Format : 12/24-Hour - Rated Voltage :DC3V