CCTVPLANNER.IO · INDOOR SOUNDER · DAHUA
Dahua ARA12-W2
Wireless indoor sounder — ≥105 dB @ 1 m, 433 MHz two-way, 2× CR123A (2.5-yr standby)
SPECIFICATIONS · ARA12-W2
Specifications
Acousticpiezo
Opticalled
Sp LAt1m Db105
Battery Backupbuilt-in
Figures as Dahua states them on the page linked above; nothing here is estimated.