Are you looking for a professional, yet affordable AC voltage meter head? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our mini AC voltage meter head must meet you needs. It is one of the best choices for you. Features - Color: Assorted. - Material: Plastic. - Size: About 3.50X2.50X2.30cm/1.38X0.98X0.90inch. - Measuring range: AC30-500V. - Power supply range: AC30-500V. - Minimum startup: 25V. - Allowable error: plusmn;1%. - Input impedance: gt; 2000K ohms. - Working current: lt;30mA. - Refresh speeds: about 600mS/time. - Lead length: 20cm. - Working temperature: -40~65. - This voltmeter head has a clear LED display, even at night, we can easily check the readings. - It has simple disassembly and installation methods, saving time and effort.