This is a two-wire voltmeter head, made of materials, with excellent durability and . Two-wire connection enable the voltage test from 30 to 500V. It is mainly used to measure the battery voltage of motorcycles. It has an display, which is convenient to check the voltage reading at any time. Features - Color: Assorted. - Material: Plastic. - Size: 4.80X3.00X2.30cm/1.89X1.18X0.90in - Measuring range: 30-500V. - Power supply range: 30-500V. - Minimum startup: 25V. - Allowable error: ±1%. - Input impedance:> 2000K . - Working current: <30mA. - Refresh speeds: about 600mS/time. - Lead length: 20cm. - Working temperature: -40 degree centigrade~65 degree centigrade. - The voltage meter head made of durable and sturdy materials will not be easily damaged. - Even in a dark environment, we can easily check the voltage because it is designed with an screen. - Low start working voltage, easy and convenient to operate. - This is an product to replace old or broken motorcycle battery voltmeters. - Cost-effective, you can buy this practical product at an . Package list: 1 x Voltmeter Gauge