LEAD DC 2.1MM SKT - BARE WIRES VOLTSENSE
Simplifies installation of your CCTV cameras, access control and other security applications. These 2.1mm DC connectors detect and indicate the polarity of your power connections with integrated LEDs. Once connected the LED lights up either blue for centre positive, red for centre negative or purple for AC voltage. They also shine brighter as voltage increases. 5-30 VAC/VDC range, 1 metre lead length.