CL445 HVAC Clamp Meter is an automatically ranging true root mean square- TRMS digital clamp meter Digital clamp measures 600 A AC current and inrush current Test leads measure 750V AC/600V DC voltage, DC micro amp, resistance, continuity, frequency, duty-cycle, capacitance, and diode tests This digital clamp meter can simultaneously measure current and voltage, has a built-in worklight and comes with right-angle input test leads, push-on alligator clips, K-type thermocouple, storage pouch, instructional manual and 3 x AAA batteries. For more than 160 years, Klein Tools has manufactured premium quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we are an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day since 1857.