Check the listing for details. Swan PSU-1 Ham Radio Power Supply.. Condition: Used. Listed at 58.89 USD. As found and bought from the estate of a passed ham radio operator. GREAT condition and seems to work AOK. I used a meter and low measured 9 volt - 22.4 volts. VERY heavy 17 lbs. You will love it. I can not possibly know all about everything so ANY QUESTIONS ASK!!! IMPORTANT---- PLEASE READ ALL.......SORRY BUT NO FREE SHIPPING!!!! Freight shipping just means I will figure the shipping cost for your area. Email me before or after auction end with your zip code or country for the shipping cost options to your area. 99% of shipments are USPS at only what is charged by the carrier. I DO NOT rip off on shipping.....I ship the cheapest but safest way possible..Returns only under certain conditions such as my fault. PAYMENT within 2 weeks, 30 days on larger priced items with pre auction end approval. CHECK OUT my other listings and my ebay LAST CHANCE store, you will be glad you did. THANK YOU