HZDZ 3-Digit Red LED Digital Voltage Meter (DC 4.5V~30.0V)
Opening size: 45.5 x 26.5mm; Dimensions: 48 x 29 x 21mm; Range: DC 3.2~30V 2 line access; Display: 3-Digit 0.56 LED digital tube; Display color: red; Refresh rate: about 500ms / times; Accuracy: 1% (+ / -1 words); Supply voltage: DC 3.2~30V