Easy-connect DC power cables (5.5mm x 2.1mm) with on/off switch. Barrel jack power switch turns devices (like led light etc.) on and off. Easy installation with DC Jack insert in. Avoid Soldering. Fits in between power source and an LED Light Strip with no cutting or wiring needed. for Surface Mounted Devices 3528 2835 5050 5630 LED strip lights, CCTV Camera, and low voltage accessories.
