MULTIFUNCTIONAL TESTING: This integrated circuit tester offers test modes, including 5V, 3.3V, and AUTO modes, catering to the needs of microelectronics engineers and maintenance personnel. VERSATILE COMPATIBILITY: Test a wide range of devices such as 74HC series, operational amplifiers, voltage regulators, and more, covering the most common devices within 24 pins. EFFICIENT PERFORMANCE: With over 1,300 built-in chip data and 420 transistor data, this tester streamlines workload and enhances work efficiency significantly. COMPREHENSIVE TESTING: Conduct logic device tests, op amp comparisons, transistor identification, voltage regulator value tests, and optocoupler tests with this versatile instrument. AUTO SHUTDOWN FEATURE: The tester automatically shuts down after 60 seconds of inactivity, combining convenience with a small and portable design, perfect for circuit testing. Colour:As Shown Material:Plastic Type: B: Single host Package Contents: 1x Integrated Circuit Tester kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.