100% brand new and high quality The Watt Meter is designed to be safe in systems using less than 60 V and carrying currents up to 130A Prevent peak currents damaging battery, motor control, motors, wiring and connectors Verify sufficient operating voltage under load Set cutoff voltages, check battery capacity & health Balance battery cells Confirm proper battery charger operation Detect receiver and actual operating current so as to make sure whether an UBEC is needed Operates from 4.8-60V Size (L*W*T): 8.3cm x 4.2cm x 2.4cm/3.27"x1.65"x0.94"(approx) Measures Range: 0 - 130A, resolution 0.01A 0 - 60V, resolution 0.01V 0 - 6554W, resolution 0.1W 0 - 65Ah, resolution 0.001Ah 0 - 6554Wh, resolution 0.1Wh Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you! Package includes: 1 x 130A Watt Meter Power Analyzer