Check the listing for details. Infographics Systems ACU Processor 135829-06 Rev. B. Condition: Used. Listed at 7.49 USD. Infographics Systems ACU Processor 135829-06 Rev. B Please take a look at my other auctions.***If you would like to buy more than one of my items with discounted shipping, the way for this to work is for you to simply bid on the items and pay for them through Paypal. I will then issue a refund on Paypal to represent the discount on the shipping. Please alsofeel free to look at my ratings, this is how we have issued discounts in the past and it is easiest and most reliable way to do this. Return Policy:We will accept returns within 7 days of receiving the item. **Please contact us with any issues** We have many listings of security electronics and will happily DISCOUNT shipping with MULTIPLE purchases. We ship via UPS and USPS within the Continental United States ONLY