SMAKN&reg; AC/DC Powered 4 Wire DC 0-200mV LCD Panel Volt Meter Voltmeter Product Name : Digital Panel Voltmeter;Model : YB5135D;Type : DC 0-200mV Power Supply : AC/DC 8-12V;DisplayMethod : 7 Segment LCD Display;Display Color : Blue Digits Color : Black;Total Size : 7.8 x 4.1 x 2.8cm/3.1" x 1.6" x 1.1"(L*W*T);Mounting Hole Size : 7 Cable Length : 9cm/3.5";Casing Material : Plastic, Electric Part Weight : 44g;Package Content : 1 x Digital Panel Voltmeter