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Here Is My Personal Guarantee to You!

Contact me @ 1-415-754-3877

for any questions


60-Day Money-Back Guaranteed

I want you to be fully satisfied with every item that you purchase from me If you are not satisfied any item you may return the item within 60 days of delivery for a full refund of the purchase price, minus the shipping, handling or other additional charges.


  • This item comes with one year replacement warranty. We tested every piece just before shipped it to you.

  • We offer 60 days 100% satisfaction guarantee and refund ( exclude shipping ) You have 7 days to contact us and 10 days to return it from the date it was received. Please NO RMA number needed before you return.

  • Return must be in the original package, and with ALL original accessories if you return for refund, if you return for replacement, just return defective part to save postage. All warranty will be void if you open the transmitter enclosure.

  • Return shipping is to be paid by the Buyer. We will pay the mailing cost of the replacement to buyer.







1. Would you please tell me what type of vehicle that you use it on?


2. Please include  your name and address ( so I know who to credit to ) along with all the remaining original packaging


Note: The manufacture will only refund or exchange the unit if the transmitter has not been modify or doctored in anyway. 


Please have the original packaging when return for a refund. The manufacture is very particular about this. 


I will refund your money via Paypal as soon as I receive your return item in good condition.


Please return your item to: ( this would be an international shipment, and it would require a trip to the USPS)


when return first class mail is sufficient ($13.25 from Anywhere in U.S ). no need for registered mail.


Please allow 3 to 4 weeks for the returning and refund process. 



Please sent the product to  



AI-LIEN LIAO 0918009638

14F, NO.391, SEC. 2, DANJIN RD,





If you wish to expedite the refund process. Please sent me the receipt from USPS and I will process the refund within a couple of days. Thanks! 

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