SMAKN 3 Digits 0.56" 3 Wire Dc 0-100v Blue Led Digital Voltmeter Voltage Display Module with Reverse Protection;

Cutting Size: 45.5 x 26.5mm
Dimensions: 48 x 29 x 21mm
Range: DC 0-99.9V (need extra Power Supply DC 5-28V)
Power Supply: DC 5-28V
Display: three 0.56" LED digital tube
Display color: green
Refresh rate: about 500ms
Measuring accuracy: 1% (+ / - 1 digit)
Package Include:
1x Digital Voltmeter