Brand N/A Model V27D-T1 Quantity 1 Color Black Material Plastic Specification DC 3.2~30V Features Digital voltmeter Application Various electronic products or DIY projects English Manual/Spec Yes Other Dimensions (L) 48 x (W) 29 x (Thickness) 22mm; Measuring range: DC 3.2~30V; Hole size: 46 x 27mm; Minimum input voltage is below the minimum measurement inaccurate or does not show; Maximum input DC 30V (above this voltage burn danger); Display 0.56 "LED 3-digital tube; Display color: red; Refresh rate of about 500mS / times; Power supply: No power supply; Operating temperature: -10'C~65'C Packing List 1 x Voltmeter (20cm-cable)