Once installed, it does not match the mode of operation therefore incompatible expected to generate an opening pulse of a garage door, a portal or a keeper.
it allows to turn on or off a light bulb, but can not be used as a garage opening control or others.
explanation: pressing one of the buttons glue the corresponding relay that remains in this position indefinitely.
you must press a second time on the same button to reset the relay at rest. (permanent mode)
(Radio range measured in free field: 70m)
I do not recommend this product as a garage remote control and the retail site, go your way