Klein Tools CL800 Digital Clamp Meter, Autoranging TRMS, AC/DC Volt/Current, LoZ, Continuity, Frequency, Capacitance, NCVT, Temp, More 1000VKlein Tools CL800 is an automatically ranging true root mean squared (TRMS) digital clamp-meter that measures AC/DC voltage, resistance, continuity, frequency, capacitance, and tests diodes via test-leads, and temperature via a thermocouple probe. It also features a low impedance (LoZ) mode for identifying and eliminating ghost or stray voltages. Klein Tools' Test and measurement product line was exclusively designed from the ground up by electricians for electricians. Years of field research, combined with extensive input from electricians across America, inspired the development of meters and electrical testers loaded with innovative, time-saving features.Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories, 2-Piece Set, Includes Cat. No. ET310 and Cat. No. 69411This 2-Piece Klein Tools Digital Circuit Breaker Finder with GFCI Outlet Tester and Circuit Breaker Finder Accessory tool kit does more than just indicate standard circuits. Adapters in this kit indicate the correct breaker of bare wires or other exposed conductors. The Transmitter is connected to the electrical outlet or fixture in the circuit while the receiver is used to scan the breakers in the circuit panel. The Transmitter also features a GFCI outlet tester. Circuit Breaker Finder locates the correct breaker in a panel. Tester consists of two parts: a Transmitter and a Receiver. Includes light socket, 3-to-2-prong, and alligator clip adapters. Light socket adapter for finding the correct circuit of a lighting fixture. Alligator clip adapter enables use on bare wires. 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're 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.