RoomBanker Indoor Siren SI1

RoomBanker Indoor Siren SI1

- with Adjustable volume: 85 dB / 95 dB / 105 dB

- Adjustable alarm duration: 1s ~ 15mins (90s by default)

- extremely long distance communication up to 1900m two-way communication with hub

- Advanced wireless transmission technologies with AES-CCM Encryption, TDMA, FHSS for high security and stability (RBF)