Logic Pulser Analyzer Detecting Probe 5V 33V Convenient and Quick Learning Board Logic Tester Pen Level Tester with Line _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 5V 3.3V Logic Tester Pen High Low Level Tester Digital Circuit Debugger Logic Pulser Analyzer Detecting Probe with Line _x000D_ Feature: _x000D_ 1. Convenient Size: The logical test pen has a compact size that makes it easy to grasp and use. It fits perfectly in your hand, making it comfortable to hold while testing circuits. _x000D_ 2. Flexible Probe: The probe is flexible and easy to adjust, enabling you to measure circuits effortlessly. The flexibility of the probe allows you to reach difficult areas without having to disassemble the circuit, saving time and effort. _x000D_ 3. For DuPont Wiring: The logic test pen comes equipped with for DuPont wiring, which is essential for connecting power supplies, development boards, and learning boards. The wiring is durable and provides a secure connection, ensuring stability during testing. _x000D_ 4. Three-state Display: The three-state display indicates high, low, and high-impedance (disconnected). This feature allows you to quickly identify the status of a particular circuit, saving time and effort. _x000D_ 5. Clear Voltage Indicators: The voltage indicators are easy to read and provide clear indications of the voltage levels. The red light indicates high voltage, which is above 2.4V. The green light indicates low voltage, which is 0.6V. Finally, the blue light indicates values between 0.6-2.4V or disconnected. Specification: _x000D_ Origin: Mainland China _x000D_ Characteristic: Level test _x000D_ Power supply voltage: 5V or 3.3V _x000D_ Level determination: 5V power supply (0V