12V Car Battery Checker Electronic Relay Tester Portable Auto Relay Diagnostic Tool

1. Install 4 AA batteries on the back of the device (battery not included in the package)

2. Check if the relay under test has 4 or 5 pin

3. Place the relay on the input of the tester according to the position of the pin

4. Slide key to 4 or 5 pin configuration

5. The tester will perform 5 test cycles and indicate the general condition of the relay through the LED. If the green light is on, it means the relay and contacts are working normally, if the relay is faulty, it means the red light

About shipping
Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days ar buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.