Features 1、This product is a soft copper cable for video door phone intercom systems. 2、High quality copper wire, strong and durable, can be used for a long time. 3、The product uses a white PVC insulated housing. It can protect your safety. 4、Pre-connected cable connectors are ready to use for your convenience. 5、Each cable is equipped with 2 spare cable connectors that can be replaced with old or broken ones. Specification Features: This product is a soft copper cable for video door phone intercom systems. High quality copper wire, strong and durable, can be used for a long time. The product uses a white PVC insulated housing. It can protect your safety. Pre-connected cable connectors are ready to use for your convenience. Each cable is equipped with 2 spare cable connectors that can be replaced with old or broken ones. Specifications: Condition: Brand New Color: Shown as picture Material: Copper+ABS Line Length: 35 m/1378.0 in The Size of Each Line: 0.5mm² Package List: 1 * 35 m Doorbell Line 2 * 5 Core Ports Note: The length and thickness of the line have an impact on the quality of the transmitted image and sound of the doorbell. We recommend that you refer to the table below.