The NCVT3PKIT from Klein Tools is a comprehensive electrical test kit that includes a dual-range, non-contact voltage tester with an integrated flashlight, as well as an AC/DC Voltage Tester. The NCVT-3P is perfect for detecting AC voltage ranging from 12 to 1000V AC and 70 to 1000V AC, making it suitable for a variety of applications, including checking voltage in doorbells, thermostats, low voltage lighting, and irrigation systems. The included ET45 AC/DC Voltage Tester is user-friendly, designed for checking, verifying, or troubleshooting common residential electrical issues without the need for batteries. Plus, it features a pocket clip for easy and convenient carrying.