Sealey AK4012 Integrated Test Light/Voltmeter

The Sealey AK4012 is an integrated test light and voltmeter designed for automotive electrical diagnostics across a wide range of vehicles. This professional diagnostic tool combines circuit testing with polarity identification, displaying results clearly on an LCD screen with red for positive and green for negative circuits. The LCD meter technology draws minimal current during testing, making it safe to use around sensitive electronic components without risk of damage to modern vehicle systems. With a voltage range of 3-48V DC, this tool is suitable for diagnosing electri