The SnapPower Guidelight is a plug-and-play replacement for standard plug-in night lights and hardwired lights. It installs within seconds and requires no wires or batteries. SnapPower is designed to look like a standard outlet cover by day with beautiful LEDs that provide ambient lighting at night. These guidelights are not compatible with GFCI outlets. *****Decor style products are designed to work with all standard decor outlets. They are currently not compatible with GFCI (test and reset) outlets.