all-sun Logic Probe Tester Logic Troubleshooting Tester Levels Pulse Detector<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The unit is powered by the circuit under test. Power Supply by 5 to 15V battery.</li><li>This logic troubleshooting instrument will give visual (LED light) and audio indications for logic levels and pulses.</li><li>It can also capture positive or negative events as short as 30 nanoseconds.</li><li>Portable size but easy to operate.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41yL24%2B7FSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41oCbtepBVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41SnZYG-fdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31V1nr6BkIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41z-EhEeRlL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31NrwX9Z-SL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51E6swlB2WL.jpg" noproxy>