Viking BLK-4 LED Strobe Light Kit

Key Features: Mfr. Part #: BLK-4 Ringing Phone or TTY indication for the hearing impaired Ringing phone indication in loud warehouses and factories Emergency illumination for emergency phones in elevators, campuses, hallways, parking ramps, etc. Alarm indication for security systems or alarm panels with phone dialers Durable poly-carbonate lens High output long life LED technology Four programmable flash patterns: - Single Flash - Double Flash - Quad Flash - Flicker Flash 6 programmable beacon and strobe brightness settings Immune to shock and vibration Flush mount or surface mount with weatherproof single gang box (included) 3/4” knockouts for connecting conduit, etc. Strobe and control module may be installed separately Can be configured to signal: ringing, off-hook, a combination of both ringing and off-hook (line in-use), or triggered from a contact closure One set of (NO) normally open a