Alarm/security cable 22/4 solid pull box 500 feet white security cable used to connect door and window sensors, motion detectors, keypads as well as other hardwired accessories to your alarm panels.Ideal for indoor remote control of security & surveilliance systems, intercom, and sound systems can be used for speaker wire, cctv security camera power, alarm signal wire 22-gauge solid conductors 4-conductor round solid station wire length: 500 feet easy pullout box color: white unshielded pvc jacket