These are D4-type Remote control duplicators.. x 2
You can clone must electric gates, garage door openers and window openers with this model. 433 mhz
Here is a start list of opener brands, but it works on most.
BFT,
Beninca,
Doorhan,
Nice,
Hormane,
V2,
FAAC,
Key
ATA,
GBD,
Nice,
ECA,
Motorline,
DEA,
PECC,
Centurian,and hundreds more
Multi-remote x 2