Features: Copper conductor, stable performance, good reliability. White PVC insulated outer casing. Preconnected cable connectors for ready use. Each cable comes with 2 backup cable connectors. Flexible copper cable fit for Video Door Phone Intercom System. Specification: Condition: 100% Brand New Material: ABS+COPPER Color: As picture shown Length: 10m/32.8ft Thickness of each cable: 0.3mm/0.01in The length and thickness of the cable have an effect on the quality of the transmitted image and sound of the doorbell. We recommend: Length of Cable Thickness of Cable 0m Length < 30m 0.3mm 30m Length < 50m 0.5mm 50m Length < 80m 0.8mm 80m Length 100m 1.0mm Package List: 1 * 10-meter Doorbell Cable Note: Please allow slight dimension difference due to different manual measurement. Thanks for your understanding Package List 1Copper conductor, stable performance, good reliability. 2White PVC insulated outer casing. 3Preconnected cable connectors for ready use. 4Each cable comes with 2 backup cable connectors. 5Flexible copper cable fit for Video Door Phone Intercom System.