500 ft RJ12 White Cable Roll with 100 pcs connectors and connector coverMost sensors and control modules are connected by using standard RJ12 cable and splitters, making installation as simple as plug and play. TrolMaster provides the ECS 500 cable roll package for users to customize their own cables when the standard cables provided are not satisfied their need. Features Flat Type & White Color Package Content 1 x TrolMaster 500ft RJ12 Cable Roll 100 x RJ12 Crystal Heads 100 x Crystal Head Protectors Specification