Bidirectional Volt Amp Meter, 90V 500A Voltage Current Battery Capacity Amp-Hour Watt-Hour Power Tim

7-IN-1 MULTIMETER: The panel tests and shows (range: 0-500V), current (range: 0-500A), power, battery capacity, amp-hour, watt-hour and time simultaneously on its clear easy to read LCD color screen.WIDE APPLICATION: The multifunctional detector can be used as battery charge-discharge tester, meter for automobile and car battery, battery capacity monitor for photovoltaic system, voltage meter, current meter, power meter, etc. and will be much more convenient with the extra 1 meter shielding wire.BIDIRECTIONAL AMMETER: The multimeter can detect current in dual direction without changing the wiring direction when being used for monitoring charging or discharging. USE: with various protections: over-voltage protection, over-current protection, over-power protection, over- protection, time limitation, etc. It will be a tester to enjoy your work.OTHER FEATURES: LCD color display; AH power off memorized function; Time & AH resettable; Calibration function; Automatically\/manually switch off LCD screen; Connect the volt amp meter to a relay to use the output control button to enable\/disable output. NOTE: This multimeter doesn't contain a relay.Colour: blackMaterial: metal + plasticPackage Contents:1 set * Volt Amp MeterOnly the above package content, other products are not included.Note: Light 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.