Two large rectangular white buttons. the top left button has ridges through, second button smooth finish Suit for B&D Controll-A-Door 4 model 62200 with low frequency 27.145MHZ.
This remote has been discontinued and upgraded to MK602, which is a conversion kit with two tiny remotes MK300 .
Accent Garage Doors had closed down.
This one is upgraded to MK602.