The Stanley Intelli Tools FatMax LED Voltage Tester is a professional-grade testing instrument designed for accurate voltage measurement in electrical installations. This versatile tester handles both AC and DC current types across a voltage range of 0-400V, making it suitable for a wide range of electrical testing applications. The LED display provides instant visibility of measured values, eliminating guesswork when diagnosing electrical circuits. Polarity indication helps electricians quickly identify positive and negative terminals, streamlining the testing process on both AC and DC systems. This is particularly useful when working with control circuits, automotive systems, or renewable energy installations. Built to withstand demanding site conditions, the tester features a durable body with IP54 rating, providing reliable protection against dust ingress and water splashes. This robust construction ensures the tool remains functional in typical trade environments, from construction sites to maintenance workshops. The FatMax design delivers the durability and performance that professional electricians and contractors require for daily voltage testing tasks. Features and Benefits: • LED display shows measured voltage values immediately for quick diagnostics • Polarity indication for correct identification of AC/DC terminals • IP54-rated body resists dust and water for reliable site use • Measures both AC and DC voltage from 0-400V for versatile applications Specifications: Min. Voltage (V): 0 Max. Voltage (V): 400 Current Type: AC/DC Voltage: AC/DC 400V