More than waterproof and portable, S1 is one type of high precision Bluetooth 5.0 temperature and humidity indicator 

(thermo-hygrometer) and data logger. It can convert the environmental temperature and humidity into correspondent 

digital signal. By connecting to wireless network via Blueooth & WiFi gateway G1, it can upload temperature and humidity data to local server or remote cloud platform. Selected high quality integrated digital temperature and humidity chip sensor is used for S1, which ensures the transmitter's good long-term stability, low latency and ability to resist chemical contamination, thus possessing excellent repeatability.