Bosch SS-HR-LF Wall/Ceiling 520Hz Horn, Red - Wired - 33 V DC - 80 dB(A) - Audible - Ceiling Mountable, Wall Mountable - Red
- 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
- Listed for wall or ceiling mounting
- Compatible with SS-MDL3R synchronization module
