【Plug and Play】Connect to switch plug directly easy to use,used as a voltage meter and as a night light.
【Keep Appliances Safe】 With this Voltage Meter, you can immediate check on power health of devices to keep your appliances safe.
【With Blue Backlight】It is not only a Voltage Meter, but also be a night light. LCD display with blue backlight, easy for you to view even in dim light.
【Applications】It is suitable for measuring the AC voltage in many place, such as office, factory, laboratory, household and so on.
【Focus on the Voltage】The biggest advantage is that when you see the current voltage is too low or too high, you can selectively turn off to run a household appliances or equipment.