Our product line including Displays, Elevator Monitoring System, Elevator Information Multi-media System, Intercom and other accessories like Electronic Chime.
产品线涵盖显示器、监控系统、视讯多媒体系统、电梯对讲机及其他周边零配件，如电子式到楼铃等。
If you get stuck in the elevator, use the intercom to contact someone outside and wait for rescue.
如果被困在电梯里，应用其通话装置和外部联系，然后等待救援。
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