All Siren 3 Series sensors & accessories are compatible with the Siren 3 Pro, but some may be incompatible with the Siren 3 & earlier devices. You can filter by device & feature compatibility above.
Siren 3 supports up to 6 wireless sensor pairings, and features up to 5 inputs and 1 output
Siren 3 Pro supports up to 16 wireless sensor pairings, and features up to 11 inputs and up to 4 outputs.
