This versatile 6 & 12 Volt Circuit Tester, also known as a test light, is an essential tool for anyone working on automotive electrical systems. It features a bright, energy-efficient light source that ensures visibility in dark spaces, making it ideal for diagnosing electrical issues in vehicles. The tester is designed for ease of use and durability, with a robust build that can withstand the rigors of daily automotive work. Its compatibility with both 6 and 12-volt systems makes it a versatile choice for a wide range of car and truck models.