The item in the image is a Fluke T5-600 Electrical Tester, a versatile tool used to troubleshoot electrical problems by measuring voltage, continuity, and current without breaking the circuit. OpenJawTM Current Measurement: Measures AC current up to 100 A without breaking the circuit. Automatic Voltage Selection: Automatically measures AC and DC voltage up to 600 V. Resistance Measurement: Checks resistance up to \(1000\ \Omega \).