This Flat US Plug AC 80-300V LCD Digital Voltmeter with bright backlight can be used as night lights
Great suitable for monitoring real-time power health of home or factory outlet
Designed with 2 prongs Flat US plug, connecting to the switch plug directly or any other kind of switch plug
LCD display show black character on blue backlight, easy to view even in dim atmosphere
It is suitable for measuring the AC voltage in many place, such as office, factory, laboratory, household and so on. Don't use the product in a damp environment