Brand Unbranded

Check the listing for details. 1PCS Logic Tester Pen Level Tester 5V 3.3V Digital Circuit Debugger Convenient. Condition: New. Listed at 1.66 USD. This is a logic test pen. It is convenient and quick. Logic test pen. High and low level (VCC=5V) 5V or 3.3V. Three states show: high, low, high resistance (disconnect). (0V< low level

$1.33
$1.66