Alarm Systems




BX-29 is a wireless outdoor sounder with voice prompts to provide visible and audible alarm alerts. During an alarm, the BX-29 generates a loud 110 dB siren sounds and flashing strobe lights to warn off possible intruders, and notify of emergencies and safety incidents.

BX-29 generates unique voice prompts and alarm sounds to inform users of the type of danger at hand. It allows for four selectable siren volume levels, programmable strobe activation, and programmable siren durations of 3, 5, or 10 minutes. BX-29 emits beep notifications for low battery status, door chime, and arming/disarming of a security system.

BX-29-F1 model leverages Climax’s cutting-edge F1 technology to accelerate the speed of signal transmission and deliver extensive, reliable RF communication range, allowing users to stay in control, and provide a peace of mind.

With tamper-deterrent feature to protect against unauthorized removal and sabotage, and transmits supervisory and low battery signals to check system integrity. Enclosed in its IP56 waterproof and dustproof housing, the BX-29 easy-to-install outdoor siren is a premium choice to protect residential and commercial premises.


  • Siren output level is 110dB at 1 meter
  • Voice Prompts to warn off intuders and report system status
  • Extensive RF range, accelerated transmission speed, and reduced signal collisions (BX-29-F1 only)
  • Unique alarm sounds for fire and burglary
  • Four selectable siren volume levels & programmable siren duration options
  • IP56 rated waterproof and dustproof housing
  • notification of arming/disarming, door chime, and low battery status
  • Regular supervision signals to check system integrity
  • Tamper protection prevents unauthorized removal
  • Low battery detection
  • Compliant with CE requirement

Product Documents


Ordering Information

Model Name
Outdoor Bell Box, compatible only with Climax F1 Control Panels
Outdoor Bell Box, compatible with all Climax Control Panels