The DHI-VTNS1060A Network Power Supply Switch is a specialized PoE device that includes Dahua protocol to connect a mixture of indoor monitors and outdoor stations using standard CAT 5E cable. This device is designed to be used as part of a video intercom system.PRODUCT FEATURES:- Dahua Protocol Network Power Supply Switch - Connect up to Six (6) Video Intercom Devices with CAT 5E Cable - Transmits Signal and Power Simultaneously - Simple Installation Supports Surface or DIN-rail Mounting Applications