Couldn't seem to know the details and condition of your electrical relay? Want to prevent your car relay to go faulty without warnings? Relay Tester is the best choice that you can go for!
Relay Tester or is able to accept 3 different specifications of relay pins. Relay switching with 4 or 5 pins are usable on the tester.
It is a quick test tool to test automotive relays and know their status. If the relay test is abnormal, the light red LED is bright, if it is normal, the green LED is lit.