uxcell Car DC 8-30V Volt Meter Red Digital Display Voltage Gauge Car Tester Product Name : Car Digital Voltmeter;Fit for Car : DC 12 or DC 24V Material : Plastic, Electronic Parts;Measuring Range : DC 8-30V LED Color : Red;Display Size : 4 x 7 x 2.8cm/1.57" x 2.75" x 1.1"(L*W*H) Color : Black;Net Weight : 40g Package Content : 1 x Car Digital Voltmeter