Power:Battery9V/Battery3*1.5V/DC12V/DC24V/AC110V/AC220V
Output:Interconnected/relay
Warm up mode:Green LED lighting
Alarm:The red LED flashing as accompanying the alarm sounds.
Silent:1 beep every 30S
Interconnected alarm : Buzzer accompanying the alarm sounds.
Low battery test:Yellow LED flashing and buzzer 2 chirps every 30s
Test:The red LED and yellow LED flashing as accompanying the alarm sounds.
Reset:Press button for 6 seconds to reset the alarm latch

1)MAINS POWERED ALARMS
AC Input Supply Voltage: 110Vor 220V 50/60Hz.
2)DC Input Supply Voltage: 12 to 24Volts dc
3)Battery input Supply Voltage :4.5V or 9V
4)Electric magnetic valve:
5)Power Consumption: less than 2 Watts.

ALL ALARMS
1.Sensing method: electricity chemistry sensor
2.Time to alarm: 70ppm within 75minutes
150ppm within 35 minutes
400ppm within 10minutes
3.Temperature range: 0° to +50°C.
4.Audible Alarm Output :85dB at 1m