Chinese Spring Festival is around the corner . To celebrate this traditional holiday , all people will go back home and enjoy their holiday from 7th , Feb. to 17th , Feb ,2021 . During that time , our company will be fully closed and will resume to work on 18th , Feb .
The first step when installing a PA system is to install an IP intercom. An IP intercom can be either manually operated or connected to an IP camera. In either case, you'll need a good speaker and an IP camera for your system to work properly. The best op