8DLCOMSR COMBO 5800 User Manual Installation Instructions Honeywell .
Smoke detector looking device in Hotel Room, installed next to a normal looking smoke detractor. Regular smoke detector has blinking lights, this does not. Possibly emergency intercom..? Included picture of manufacture label. :
Morley-IAS MI-PSE-S2 MI200-S2 Series, Low Profile Digital Optical Smoke Detector, White
What does a blinking green light on my smoke alarm mean? The others are steady green. - Quora
Silent Knight Addressable Photo-e Smoke Detector - Fire and Safety Plus