Device Def Guard fire alarm for the deaf

Device specifications for deaf people: portable wireless device for alert in emergency cases. Designed for people suffering from hearing loss or hearing impairment. Provides peace of mind and a sense of security to help sleep comfortably. Designed for use in hotels, furnished apartments, and homes. The device activates when the fire alarm sounds. Consists of two parts: a small circular vibrating device placed under the pillow. A main device with an LCD screen that flashes brightly. Dev Guard operates with standard batteries.