Features 1、BT Connectivity and Smartphone App Integration: Offers stable BT connectivity with a dedicated smartphone for SmartLife app, allowing users to test soil humidity and environmental temperature levels remotely and in real time. 2、Precise Readings and Alerts: Provides accurate measurements of soil humidity and temperature, with an indicator light that activates when soil humidity levels fall within the critical ranges of 3% to 40%, ensuring timely care for plants. 3、Low Battery Notification: Features a low battery notification system that alerts users when the device's power is running low, ensuring uninterrupted testing. 4、Compact and Portable Design: Constructed with PC and ABS materials, the detector is compact, making it suitable for a variety of indoor plants and potting scenarios. 5、Easy to Use and Set: Powered by two AAA batteries (not included) and is designed to be user friendly, with straightforward setup and integration for Zigbee systems, making it accessible for users of all technical backgrounds. Specification Name: Soil Tester Material: PC, ABS Battery: 2 x AAA battery (not included) Type of wireless connectivity: for ZigBee Voltage: 3V Soil humidity: 0-100 % Temperature: -10℃ to 60℃ (14℉ to 140℉) Item size: 162 x 33.5 x 21mm / 6.38 x 1.32 x 0.83in Item weight: 50g / 1.76ounce Package List 1 x Soil Tester