BOSCH SECURITY SYSTEMS SS-HR-LF Wall/ceiling 520hz Horn, Red

Features

• 520 Hz square wave tone meets NFPA 72 sleeping area requirements
• Rotary switch for setting sounder for temporal three pattern, continuous pattern, or coded supply within the frequency range
• Plug-in design with minimal intrusion into the back box
• Lited for wall or ceiling mounting
• Compatible with SS-MDL3R synchronization module