Product Features:

High sensitivity to gas,sound and flash when alarming.
Independent/network/wireless output (optional)
Adopted nano sensor, match up with the ratent technology, can reduce the missing and false alarm.
Can work with exhaust fan and electromagnetic value.
Fit for most of light-current systems.
High stability and long-life span.
Ceiling mounted, good appearance and low consumption.
Reset autuomatically after alarm eliminated.