Industrial 3G 4G Mobile NVR For Video Surveillance On Tunnel

Tunnel HD monitoring system is mainly used for the center attendant to monitor the whole range of traffic operating conditions on the entire tunnels, approach roads, ramps and crossings, and assist attendant to direct traffic. It provides comprehensive, intuitive monitoring tools for tunnel traffic management.

Elevator Remote Monitoring Based on GSM GPRS 3G 4G TCP IP Modem

There are more and more elevators in shopping mall , hotel , apartment and so on . And it is more and more important for most people . But there are many accidents happened too .