Google K-CB/T-PWP for info it is a little shorter than 7 feet long and a little wider than 3 feet.
(often labeled with suffixes like K-CB/T-PWP-C-R2T3 or K-CB/T-PWP-C-R2) is an electronic motor control box (or brain) used to operate Maxwell and Ultramatic adjustable electric beds
I was told unit is not working I do not know what is wrong with it
You need a truck or van to move the unit is very heavy.