Product Description: Instrument Model: ZB-GPRS-III Series 1. Instrument Principle: The agricultural environment online monitoring instrument uses GPRS for data transmission to achieve the purpose of monitoring various environmental parameters in the field remotely. The GPRS communication method collects sensor data and uploads it to the network. Users can log in to web pages or install apps on their mobile phones from any computer that can access the internet, and view the data no matter where they are. The data is stable and reliable, and can reflect various environmental factors in a timely manner Parameter status