[AC Digital Voltmeter]: Built-in voltmeter with high quality LCD digital display and blue backlight, this voltage monitor is convenient for you to view the data even at night, this voltmeter tester can detect and measure the current voltage immediately by connecting to a power outlet or other types of wall outlets, the voltmeter allows you to check the power status of your device to prevent low voltage from damaging your home appliances [High Precision Voltmeter]: High precision digital voltmeter measurement, voltage measurement error as low as 2%; Voltage Tester Measuring Range: AC 110-300V, Power Consumption: Less than 1W (About 1kWh Consumed Every 1200 Hours), EU 2-Pin Flat Plug, High-Precision Compact Household Appliances Are Very Suitable for Measuring AC Voltage in Homes, Offices, Industrial and Mining Enterprises, Etc. [AC Digital Voltmeter - DM55-1-EU]: High-precision panel test monitor and AC digital ammeter DM55-1-EU; When the grid voltage is too low or too high, it can selectively shut down an appliance or household appliance, effectively protecting the service life of the appliance; High-quality AC digital voltmeter and voltage test panel can provide stable performance [AC Digital Voltmeter]: The power meter socket has an internal potentiometer for precise adjustment; just open the outer eaves with a screwdriver and adjust the potentiometer with a small screwdriver; voltage tester panel; when the voltage is displayed as too high, adjust the potentiometer counterclockwise, and when the voltage is displayed as too low, adjust the potentiometer clockwise [Voltage Test Tools]: DM55-1-EU AC digital voltmeter and LCD digital voltmeter are widely used in homes, construction, electromechanical equipment, etc., suitable for measuring AC voltage in various places such as offices, factories, laboratories and homes; The voltmeter tester can help you protect your valuable electrical appliances, such as air conditioners, refrigerators, stereos, etc. Item Type: AC Voltmeter. Model: DM55-1-EU Measuring accuracy: 1.5%2 digits Measuring range: AC 110-300V Power consumption: ?1W (about 1KW every 1200 hours) Ambient temperature: 050 () Size: 56*41*60 (mm) Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.