Digital Display Voltmeter Ammeter 0-100V 50A/75mV Volt Measuring Product Name : Digital Panel Voltmeter Ammeter;Power : DC 4.5-30V;Type : DC 50A/75mVDC 0-100V DisplayMethod : 7 Segment LED Display;Display Color : Red, Blue Gauge Size : 4.7 x 2.8 x 2cm/1.85" x 1.1" x 0.78"(L*W*T);Mounting Hole Size : 4.5 x 2.5cm/1.8" x 1"(L*W) Cable Length : 20cm/7.8", 16cm/6.3";Casing Material : Plastic, Electric Part Weight : 24g;Package Content : 1 x Digital Panel Voltmeter Ammeter