GS-9100S is the latest version of wireless guard tour system with OLED color screen, support wireless real-time transfer via 4G/GPRS/WIFI. It has Water-proof and anti-falls function. Industrial grade design and material make sure the device durable and long lifespan. It also comes with professional software for management.
We have some clients already bought this model, and they use well. Welcome to buy our new model GS-9100S! Thank you!
Welcome to contact us https://www.grandingtech.com/