1. Plug and play: LED strip light inline On/Off switch cord DC Jack (5.5mm x 2.1mm) male to female connector. 2. Ideal for LED strip light, rigit strip, LED signage, and any LED lighting systems that uses power supply with a 2.1mm x 5.5mm plug. 3. Other applications inculding extending power supply for CCTV security camera, sensors, printers, DVR, external hard drives, audio mixing and recording equipment, or DC input and accept 2.1mm x 5.5mm plug. 4. Easy installation, plug-in with standard 5.5 x 2.1mm DC Jack connectors. 5. This is an ideal inline on off switch power adapter for you controlling LED Strip Lights. Just push the switch to turn it on or off. There is no need to plugging in or pulling out the power adapters.
