Chazcool Automotive Circuit Tester, DC 6-42V Broken Wire Detector Tool Em415PROCheck for Short Circuit: Circuit tester has emitter and receiver LEDs display open or short circuit conditions. You can diagnose and determine intermittent circuit problems by listening to changes in the continuous audio from the receiver,Locate Open Circuits: The circuit breaker finder tool used for locating open circuits, detecting short circuits, wire identification, etc. Adjustable sensitivity for fast and easy targeting of broken lines,Suitable for DC 6-42 Volt Circuit Power Supply: The short circuit will operate on a variety of circuits, ranging from 6 volts to 42 volts DC. Widely used iBrandChazcoolMPNCV002Itemweight0.88 poundsProductdimensions4.9 x 1.7 x 10.1 inchesStyleCircuit Breaker FinderPartnumberCV002Visit our store for more great deals!Thank you!