Astro Pneumatic 7760 Cordless Circuit Tester<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Does not require ground cable or clamp， user's own body/hand as ground</li><li>User must be holding tester as well as contacting a ground with bare hands</li><li>Safe on ECM's， transducers and airbags</li><li>For 3-28V DC circuits</li><li>V-Tip for safe and centered wire piercing</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31l4p-QCQEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51tqjr9hQeL.jpg" noproxy>