2in1 design, this wireless soil monitoring instrument can measure soil humidity and temperature simultaneously. High industrial performance, low power consumption, high sensitivity measurements, stable performance. The probe is made of 304 stainless steel material, with accurate measurements, rust resistance, corrosion resistance, electrolysis resistance, and suitable for long-term operation. Zig/bee wireless long-distance transmission, it needs to be paired with a gate way, otherwise the product cannot be used. Real-time signal transmission, you can check temperature and humidity data on Tuya APP whenever and wherever you want. Temperature and humidity history curves are also provided to provide a basis for the analysis. It can be linked to automatic watering devices for automatic irrigation. IP67 waterproof level, can prevent moistures from entering the inside of the machine, high sealing. Wide applications, it is suitable for a wide variety of soil types, and can be used in potted plants, vegetable greenhouses, farmland, vegetable fields, lawns and other places. Working temperature: -10°C ~55°C Working humidity: 10%-90%RH Power interface: DC5V 1A (Micro-USB) Wireless connection.: WiFi 2.4GHz 802.11b/g/n Communication protocol: ZigBee Product connection usage: 1. Plug the power cord into the gateway; 2. Plug the gateway into the Internet cable and connect it to the home 2.4GHz band router; 3. The mobile phone needs to be connected to the same WiFi network, and then add a gateway according to the APP prompts Colour:White Material:ABS Package Contents: 1 x Soil Temperature Humidity Tester 1 x gateway Only the above package content, other products are not included. 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.