Features: * brand new and high quality *It is digital voltage tester signal indicator, high brightness LED display and cylindrical main body. *The meter can only measure AC electricity. *It can be used as signal indication, warning signal, accident signal and other signals in the line of electric power, telecommunication, machine tool, ship, textile,printing and mining machinery. Specifications: *Item: Indicator Voltmeter & Ammeter *Voltage: AC 60-500V *Current: 0-100A *Material: Electrical components *Panel size: 31x31mm/1.22x1.22inch (Approx) *Mounting aperture:22mm (Approx) *Optional Display Color: Red, Blue, Green, Yellow, White(As Pictures Show) Package Contents: 1*Voltage & Current Indicator 1*Current Transformer Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. LED Digital Dual Display Voltmeter Ammeter Voltage Gauge Meter AC 60-500V 0-100A Materials: Made of high quality materials, robust and durable, safe and convenient to use. Size: matched to the corresponding model to match your working tool needs, check if it is the size you need before you buy. Function: This is a good companion you need on your tools, giving you a more convenient working life, in case you are busy indoors and outdoors Satisfaction guarantee: Your purchase is fully protected when you order today. If you are not satisfied with with our products, contact us any time, We will get you back within 24 hours try our best to make things right.