Simultaneously measure 2 AC voltage inputs or 2 AC current inputs or 1 AC voltage and 1 AC current input. Stores up to 256,000 True RMS measurements with user programmable sampling rates. REED R5003 Offers Simultaneously measure 2 AC voltage inputs or 2 AC current inputs or 1 AC voltage and 1 AC current input. The R5003 can operate remotely with batteries or be plugged in with the included AC adapter. Stored measurements can be downloaded via USB interface and either analyzed with the included software or exported to Microsoft Excel. Features Datalog up to 256,000 AC voltage and current measurements Dual input measures 2 voltage/current measurements or 1 of each LCD simultaneously displays time/date, current readings and Max/Min readings User adjustable sample rate from 1 sec to 24 hrs High and low alarms Download measurements via USB interface and analyze results with included software Magnetic back allows instrument and sensors to be secured firmly in a variety of locations Low battery indicator and auto shut off Included AC Voltage/ Current Data Logger AC Current Clamp Sensors (2) Voltage Sensors (2) Large Alligator Clips (4) Basic Test Probes (4) USB Cable Software AC Adapter Batteries