Features:100% brand new and high qualityAE100 is a quick test tool to test automotive relays and let you know the status of automotive relays.The tester tests the appropriate control of the opening and closing of the relay.Through the continuous car battery (11V-15V) to the relay product coil, the tester can properly check the relay contact function.Convenient automotive relay testing. The tester will observe the contact data, the closing time, the inertia of the relay in each test phase, and so on.If the relay test is abnormal, the light red LED will light up, and if it is normal, the green LED will light up.Package Includes:1x Automotive Relay TesterSpecifications:Material:ABSSize:Approx.11x6x2.8cm/4.33x2.36x1.1inchesColor:As Picture Shownnote:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.