Features: Experience precisions monitoring with our 6L2 generator set instrument, essential tool for accurate voltage, frequency, and current measurements. Designed with a clear analog display, this instrument offer high precisions readings in a compacts, easy to install package, perfect for any generator setup. For generator maintenance professional and operational managers who require reliable, long term performances in demanding environments. Whether it's for routine checks in industrial facilities or electrical experiments in academic laboratory, this instrument ensures real time electrical parameter monitoring. Enhances your equipment's functionality with this stable gauge, crafted from quality plastic and metal materials, to ensure consistent performances in various applications. Specifications: Component:ABS+Metal Size:Approx.80x80mm/3.15x3.15inch Style1: Voltmeter 0 to 500v Style2: Frequency Meter 55HZ Style3: Ammeter 500A Package Includes: 1pcs Electrical Inspection Analog Meter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.