1. WiFi+Bluetooth dual-mode: Connect to the network faster. The connection speed to the network is twice as fast as just WiFi 2. High temperature and low temperature alarm: Once the set temperature value is exceeded, the phone will prompt an alarm 3. High humidity and low humidity alarm: Once the set humidity value is exceeded, the phone will prompt an alarm 4. Real time monitoring: Battery powered AAA 1.5V * 2 (excluding battery), low power consumption, according to the system default settings, can be used for about 1 year. 5. Data update frequency: 1-120 minutes, you can choose the update frequency as needed. The smaller the value, the shorter the actual usage time of the battery