The Klein Tools ET450 Advanced Circuit Tracer Kit is a professional tracer for energized and non-energized breakers, fuses, and wires. When the Transmitter is connected to a circuit, the Receiver's sensitivity can easily be adjusted to detect the transmitted signal on breakers, fuses, and wire through drywall, cement block, and underground. Kit comes with transmitter, receiver, blade and ground prongs, alligator clips, 3-Foot and 20-Foot lead adapters, AC plug leads, instructions, all required batteries, and a hard carrying case with handle for convenient transportation and storage.Warnings Use personal protective equipment to prevent shock and arc blast injury where hazardous live connectors are exposed. Always consult a qualified electrician to resolve wiring problems. ALWAYS adhere to local and national safety codes. Inspect the meter and test leads before use. DO NOT use if they appear damaged. Turn off testers and disconnect test leads before attempting to replace batteries or fuses. Before each use, verify tester operation by testing on a known live and correctly wired receptacle and circuit. DO NOT use testers during electrical storms or in wet weather. NEVER use the tester on a circuit with voltages that exceed the category-based rating of this tester. Read, understand, and follow all warnings and instructions before operating testers. DO NOT use if the tester appears damaged in any way. Features Transmitter has AC/DC external voltage indicators of 12V, 48V, 120V, 240V, and 480V Easily adjust receiver sensitivity level to detect the transmitted signal through drywall, cement block, and underground The Advanced Circuit Tracer Kit provides reliable tracing of energized or non-energized breakers, fuses, and wires Audible beep and visual indicators on receiver denotes signal strength Receiver features a flashlight for illumination in low-light areas and NCV function to test if wires are energized Versatile applications include tracing wires, conduit or pipes, or a single wire in a bundle Flashlight and NCV Function on Receiver; Accessories, and Hard Case Kit comes with transmitter, receiver, blade and ground prongs, alligator clips, 3-Foot and 20-Foot lead adapters, AC plug leads, instructions, all required batteries, and a hard carrying case Voltage: External Indicators for 12V, 48V, 120V, 240V, and 480V AC/DC Category Rating: CAT III 600V Frequency: Transmitter: AC 45Hz to 65Hz; Receiver: 33kHz Application: Trace energized and non-energized breakers, fuses, and wires Battery Life: Up to 24 hr Batteries: Transmitter: 6 1.5V AA Alkaline; Receiver: 4 1.5V AA Alkaline Overall Length: Receiver: 7.05 in (17.9 cm); Transmitter: 8.72 in (22.2 cm) Width: 12.75 in Depth: 16.12 in Height: 4.00 in Overall Height: Receiver: 1.84 in (4.5 cm); Transmitter: 1.51 in (3.9 cm) Overall Width: Receiver: 3.90 in (9.9 cm); Transmitter: 2.07 in (5.3 cm) Weight: 6.28 lbs Material: ABS and electronic components Ingress Protection: IP42 Drop Protection: 6 ft (2 m) Interchangeable Leads: Yes Lead Length: 3 ft (0.9 m) and 20 ft (6.1 m), connectable end-to-end Connection Type: Test lead input, banana jacks, alligator clips, outlet tabs, ground prong Display: Receiver: LCD with backlight DownloadsSafety Data SheetSpec SheetVideo DownloadInstructionsET450-1390483ART - WEB.pdf