I am selling now about 20 different items made by Lumedyne. Unfortunately I never used this system and know nothing about it. And, of course, I am not be able to test anything and have to sell all of them AS-IS. Untested. No return. No refund. Bid accordingly.
If you think you tried and send it back for refund---NO! Don't even think about it. 
It will not going to work for you.

Lumedyne 20 Feet (6,3m) Extension Cord From Head To Power Pack. Ex.
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I ONLY SHIP THROUGH THE UNITED STATES POSTAL SERVICE - A PART OF
THE US FEDERAL GOVERNMENT. I HAVE NO CONTROL OVER YOUR SHIPPING
COSTS AND DELIVERY TIMES. I ONLY CHARGE THE POSTAL SERVICE'S
ACTUAL SHIPPING AND INSURANCE COSTS. PLEASE FEEL FREE
TO VERIFY YOUR SHIPPING COSTS WITH THE POSTAL SERVICE  USPS
THERE IS NO REASON FOR A BUYER TO LOWER MY SELLER
RATINGS, AS I DO NOT PROFIT FROM SHIPPING AND INSURANCE. PLEASE
NOTE THAT USPS HAS RAISED THEIR PRICES BEGINNING 01/27/19.


USA                       USPS Priority Mail ------------------------$FREE

CANADA                USPS PRIORITY, WITH INSURANCE---------------------------------$29.50

THE REST OF THE WORLD: USPS PRIORITY, WITH INSURANCE ----------------$35.50

ALL COUNTRIES, EXCEPT USA AND CANADA ARE "THE REST OF THE WORLD". PLEASE DON'T ASK ME

WHAT IS THE SHIPPING COST TO HONG KONG ETC. IT IS UNDER THE "THE REST OF THE WORLD". 

Please note that we only ship to the address on file with PayPal.