3pcs nMini Digital Voltmeter Ammeter DC 100V 10A Voltmeter Current Meter Tester Blue+Red Dual LED Display

Specifications Voltage measurement range 0 0V 100VCurrent test range 0 999mA 0 10APower supply range DC4 30 0VVoltage error 0 1 Current error 1 Working current 20mARefresh rate about 300mS onceDisplay mode double three digit 0 28 LED digital tubeDisplay color red red red blue OptionalLead length 15cmDimensions 48 x 29 x 22 mmMounting hole 46 x 27 mmWorking temperature 10C 65C Package Included 3 x Mini Digital Voltmeter Ammeter