Chamberlain 4333A Garage Door Remote
You will receive the genuine Chamberlain replacement remote control shown.
This remote transmits on 433MHz and uses the billion method. It measures in at 76mm x 43mm x 16mm.
It will be delivered complete with battery and DIY programming instructions.
Postage via Australia Post regular mail service is free, but un-trackable and can be slow outside of capital cities. You can upgrade to Express post for $10.00 during Checkout if you wish.