Features: 1.Copper conductor, stable performance, good reliability. 2.White PVC insulated outer casing. 3.Preconnected cable connectors for ready use. 4.Each cable comes with 2 backup cable connectors. 5.Flexible copper cable fit for Video Door Phone Intercom System. Specification: Features:_x000D_ _x000D_ Copper conductor, stable performance, good reliability. _x000D_ White PVC insulated outer casing. _x000D_ Preconnected cable connectors for ready use. _x000D_ Each cable comes with 2 backup cable connectors. _x000D_ Flexible copper cable fit for Video Door Phone Intercom System. _x000D_ _x000D_ Specification:_x000D_ Condition: 100% Brand New_x000D_ Material: ABS+COPPER _x000D_ Color: As picture shown_x000D_ Length: 10m/32.8ft_x000D_ Thickness of each cable: 0.3mm2/0.01in2_x000D_ The length and thickness of the cable have an effect on the quality of the transmitted image and sound of the doorbell. We recommend: _x000D_ Length of Cable Thickness of Cable _x000D_ 0m Length < 30m 0.3mm2 _x000D_ 30m Length < 50m 0.5mm2 _x000D_ 50m Length < 80m 0.8mm2 _x000D_ 80m Length 100m 1.0mm2 _x000D_ _x000D_ _x000D_ _x000D_ Package List:_x000D_ 1 * 10-meter Doorbell Cable_x000D_ _x000D_ Note:_x000D_ Please allow slight dimension difference due to different manual measurement. Thanks for your understanding!