10 Pack SnapPower guide light LED outlet duplex white night light s a plug-and-play replacement for standard plug-in night lights and hardwired lights. It installs within seconds and requires no wires or batteries. This is designed to look like a standard outlet cover plate (faceplate) by day with beautiful LEDs that provide ambient lighting at night. Use the guide light in hallways, entryways, bedrooms, bathrooms, kitchens, near stairways and landings. A light sensor automatically turns the LED lights on/off. The LEDs use only 10 cents of energy for the entire year and will last 25 plus years. Great for your entire home!