What is domestic fire alarm?

Domestic fire alarm is recommended to be installed in those accommodations that have no auto-detect fire alarm system. It is also called independent fire alarm, it is wireless and only requires batteries for functioning, and can be installed on the ceiling or on the wall. When a domestic fire alarm detects smoke or heat, it will alert with warning sound, so the resident can react for the situation. There are smoke-detect and heat-detect domestic fire alarm available on market. Smoke-detect fire alarm is usually installed in bedroom, living room or hallway; whereas heat-detect smoke alarm is usually installed in the kitchen.