Feature 1、REAL TIME MONITORING: It can monitor the indoor temperature and humidity in real time, and also provide alarm functions for high temperature, low temperature, high humidity and low humidity. Once the data exceeds the set range, the cell phone will prompt an alarm to help users understand the environment in time. 2、WiFi CONNECTION, GRAPHIC RECORDING: Supporting WiFi connection, users can view the temperature and humidity data in real time through the cell phone APP. At the same time, it can record the temperature and humidity changes on the APP, and present you with the temperature and humidity curve graph, which is more intuitive to let you know the recent data changes. 3、SIMPLE DESIGN: This temperature and humidity meter adopts a simple design, supports a variety of installation methods, can be placed directly on the table or hanged on the wall, does not need data cable connection, more convenient and beautiful, suitable for placing in any corner of the home. 4、LCD DISPLAY: It adopts LCD to display temperature and humidity, and also adds time and date display on the screen. And the time and date will be calibrated automatically. 5、VOICE SUPPORT: This temperature and humidity meter supports for Google Home Assistant. Users can query the current temperature and humidity data by voice to realize more convenient smart home control. Item Type: Temperature Humidity Meter Material: ABS Weight: Approx. 84g / 3oz Product Size: Approx. 6x6.3x2.5cm / 2.4x2.5x1.0in Power: 3xAAA Battery (Excluded) WiFi Support: 2.4G Temperature Measurement Range: -10℃-55℃ Humidity Measurement Range: 10%-99%RH Package List 1 x Temperature Humidity Meter1 x Instruction Manual