Brand Name: ANENG Origin: Mainland China Battery Included: no Item Length: / Item Width: / Model Name: RT01 Item Height: / Item Weight: / Product Model: RT01 Relay Detector Applicable pins: 5 pins/4 pins Battery detection: 11V~ 25V voltage Applicable coil resistance: ≥20Ohm Use power: Connect car battery power supply Digital display bright screen: Yes Alligator clip length: 42cm/16.54inch Alligator clip opening size: 2.1cm/0.82inch Choice: yes