For Sale Acorn StairSafe T715 Communication (COMMS) Gateway Includes non original USB-C power adapter with cable. (5 volt, the same spec as the original adapter). The gateway is guaranteed to be working as expected. It was purchased for a relative and they ended up moving and not using the stairlift. Works with Acorn model 130 and model 180 stairlifts Ships within 1 day of payment via USPS Mail. Delivery to most locations in 3-5 days. Professionally packed in a sturdy box to ensure your Acorn StairSafe Communication gateway arrives in the same condition as described in this listing.