1. Portable LED Tester: This portable LED tester is a practical device made of durable material for testing LEDs. It allows you to easily determine the brightness and luminous color of LEDs by simply inserting them into the labeled holes and pressing the button. 2. Wide Current Range: This tester is suitable for LEDs with currents ranging from 2 mA to 150 mA. The row is designed for 2pin LEDs with a current range of 2mA to 30mA, while the bottom row is for 4pin LEDs (Piranha LEDs) with a current range of 20mA to 150mA. 3. Compact and Lightweight: With its compact size and lightweight design, this LED tester is easy to carry. It is powered by a 9V battery (not included), making it portable and convenient for travel. 4. Easy to Use: The LED tester is userfriendly, enabling quick and accurate testing of LED brightness, light color, and more. The labeled holes ensure precise and effortless insertion of LEDs.