Smoke detectors, also known as fire smoke alarm, smoke sensor, fire detector, etc. From a broad perspective, it can be divided into independent and hardwired types.
independent smoke detectors
Generally, independent, physical product battery-powered, and those that can emit sound and light instructions when ready-made alarms are called independent smoke alarms.
so be in short, battery operted smoke detectors can be said a independent smoke alarms.
hardwired smoke detectors
Some smoke alarms are powered by the bus, and multiple buses can be connected to the bus to form an alarm system by networking and communicating with the fire alarm controller. There is no sound during the alarm, and the host has sound and light prompts. This type of smoke alarm device is generally called hardwired photoelectric smoke alarms. it should be noted that hardwired photoelectric smoke alarms are divided into address codes and those without address codes.
Independent smoke detectors are easier to install. … While more work is required to install them, hardwired photoelectric smoke alarms can be interconnected, meaning if one smoke alarm is activated, it will engage all other alarms in your home.
Independent and hardwired photoelectric smoke alarms have their own characteristics, I hope you can find a smoke detector suitable for you. if you have any question，welcome toinquiry us ！