4 digits high quality digital meter,voltmeter 1,Panel type 2,Small volumn 3,Good quality 5,AC or DC working voltage 4 digits high ... quality digital meter,voltmeter1,Panel type2,Small volumn3,Good quality5,AC ... 5Operating voltageDC5V~AC8V~24VFixing modeFlush mountingdigital meter,voltmeter :standard carton 4 digits high quality digital meter