Product Description Digital LCD screen gives clear crisp number readings Handles up to 150 amps intermittently and 75 amps continuous duty Handles 0 to 60 volts. Works on 12, 24, 36, and 48 volt battery bank systems Extremely low power consumption of 6 mA. More efficient than any LED meter Connecting load end to the battery provides real-time battery charging reading Size:150A Watt Meter This isn't just a watt meter-it's the All-In-One Meter A power meter, a volt meter, an amp-hour meter, ammeter and energy meter. Everything all in one unit This is the perfect troubleshooting tool. This all-in-one watt meter is indispensable for analyzing, testing and troubleshooting any DIY DC power project. Specifications: 1This meter provides Realtime readings of Voltage 0-60V, Current 0-150A, Power 0-6554W. This device accumulates Charge Ah Amphour and Energy Wh Watthour readings till it reset or shut off. This meter also capture and store Peak Amps Ap, Peak Power Wp and Minimum Voltage Vm values during the operation. 2 Professional battery tester 3 Great Performance and Precision 4 Backlight Blue LCD Package List: 1 x Analyzer 1 x Manual