ITEM NAME:Panel mounted DC digital voltmeter Ammeter 100 V 10 A B9M6 Panel mounted DC digital voltmeter Ammeter 100 V 10 A B9M6 Measurement range: voltage DC 0 - 99.9 V / current 0 - 9.99 A Display unit: 0.1 V unit (0.01 V unit for less than 10 V) / 0.01 A unit Power supply for meter: DC 4.5 to 30 V Operating current: about 20 mA color:black Material: Plastic Size: 48 * 29 * 22 mm Package contents: 1 set * DC digital voltmeter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.