IGB1014 Features: * LED visual indicator * Red or green LED shows polarity at probeThis is a simple and easy to use circuit tester. It supplies power or ground to test operation of electrical motors, solenoids and more by supplying power or ground. Also is safe for computer circuits (in test mode). * Power On Circuit Tester Specifications: * For 12VDC or 24VDC systems Warranty: * 1 yr warranty on material and workmanship