10 PCS Mini Digital Voltage Meter DC 2.5~30V 0.28 Inch Green LED Voltmeter
Display mode: three digit 0.28’LED digital tube. Permissible error: 1%(±1 digit). Install Hole Size: 23 x 10.5mm. Size: 3.30 x 1.10 x 0.70cm (L W H). Display Color: Green. Current Consumption: <20mA(Generally 5-15 mA).