MULTIFUNCTIONAL TESTING: This integrated circuit tester offers various test modes, including 5V, 3.3V, and AUTO modes, catering to the needs of microelectronics engineers and maintenance personnel. EFFICIENT PERFORMANCE: With over 1,300 built-in chip data and 420 transistor data, this tester streamlines workload and enhances work efficiency significantly. 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. 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., Weight: 0.40344593946 Pounds, Manufacturer: Kueohse