Power supply: DC *2V~DC *4V
Built-in Buzzer status.
Indicator: Dual-color (red and green) .
Red indicator to set blinking , off or on.
3 set of output points to connect other equipment
Resetable design, SCP***0 obvious indicators around the edges
of the unit.
Pressing plate with status (green and red) shown.
Input power range from DC****4V to connect with all types of
fire alarm system.
Easy to assemble, outer case without screws, 3 set of output
points to connect other equipment, embedded or surface