Check the listing for details. Electronic Specialties Inc. 191 Relay Buddy ProTest Kit. Condition: New. Listed at 137.74 USD. *************************** Electronic Specialties Inc. Relay Buddy® Professional Relay Test Kit #191 Features Relay Buddy is a quick go / no-go tester for the most common automotive relays.With the included adapters, Relay Buddy now tests 5 different relay types and also tests shielded relays.Relay Buddy provides you with an indication of the general health and functioning of the relay switch contacts and coil. It will check the control side of the relay by applying a signal to the relay coil while it checks for proper functioning of the relay contacts.Relay Buddy operates the relay several times during each test session as it watches for consistency in every cycle.Relay Buddy will fail the relay and light the RED LED if any one of the cycles proves unsuccessful during the test session. Specifications Settable to 4 and 5 pin relay Uses vehicle 12V battery for power Green Light if relay is good - Red Light if relay is bad Switch contacts are loaded to detect excessive resistance Brand New and Never Been Used! Still in Original Packaging. WE SHIP WORLDWIDE! FREE SHIPPING in the USA! CBM TOOLS SHIPS THE DAY YOUR ORDER IS CONFIRMED! Handling Time is 1 Business Day of receiving your payment. Actual shipping time varies depending upon your location. We ship from Oregon and QUALITY IS GUARANTEED! We here at CBM TOOLS strive to provide 5-STAR Service every day. Your personal satisfaction is guaranteed on all products we sell. Visit our E-Bay Store for more, GREAT PRODUCTS @ GREAT PRICES!