SYSTEM SENSOR SRK-R SF 16/12 SB-I/O surface-mount backboxes are for

SB-I/O surface-mount backboxes are for use with Silent Knight PS-SA and PS-DA pull stations

Gamewell-FCI NGA Network Graphic Annunciator

rated IP66 and IK 08

Each tone has three (3) dBA settings from which to choose

Each module has its own address

SYSTEM SENSOR SRK-R SF 16/12 SB-I/O surface-mount backboxes are forSpectrAlert Advance offers the broadest line of outdoor horns, strobes, and horn strobes in the industry. With white or red plastic housings, wall or ceiling mounting options, and plain or FIRE printed devices, SpectrAlert Advance can meet virtually any application requirement, including indoor, outdoor, wet, and dry applications in temperatures from 40F to 151F.