<br/>Digital AC voltmeter + signal indicator <br/>Input voltage: AC 24-500V <br/>Voltage measuring range: AC 24-500V <br/>Main body size: (length) 46.6mm x (φ)20.3mm/1.8"x0.8" <br/>Install opening: (φ)22mm/0.9" <br/>Height of the display digit: 1.1cm/0.4" <br/> <br/>Application: for signal indication, warning signal, accident signal and other signals in the line of electric power, telecommunication, machine tool, ship, textile, printing and mining machinery. <br/> <br/>Package include: <br/>3xMini Digital Voltage Testers