The ionization room adopts single-power twin-room structure in the world, has high sensitivity and good anti-jamming performance, Adopts special control CMOS chip gathering high compositive degree, steady performance and long using life; Tiny power consumption, battery as power source, safety, convenient installation, not join other power source, Alarm function of low voltage, reminding you to replace the battery on time; Periodic testing: We suggest that you d better do a simulation testing every week or every 15 days to guarantee your damage declining to the lowest when danger happen, you only press the testing button gently for this work; Convenient installation: Do not effect by the position of power, spare the trouble of drawing power source, please refer to installation way and note for the installation; Double alarm: Adopts double alarm of sound-audio, it can attend the common or lower audition user at the same time.

Model No : 108A
Power source: DC9V(cascading battery power)
Working current: surveillant current <10uA,
alarm current: <10mA;
Alarm sound: >85dB
Ambient temperature: -10C ~50C
Ambient humidity: 95%(40 2 )
PDF:  size: 133KB

Model No : 108B
photoelectric smoke alarms, they are generally more effective at detecting smoldering fires which smolder for hours before bursting into flame. Sources of these fires may include cigarettes burning in couches of bedding. 108B accords with the ISO/DIS 12239 Standard.
Importance ! please read the manual carefully and save it.
The manual includes important information related to its operation, to ensure your safety, you should install one alarm in every room at least, don't open the alarm easily to avoid bad effect.
TECHNICAL PARAMETER
DC Power: Power: DC9V
Static Current: <10uA
Alarm Current: <12mA
Low Voltage Alarm: 5.5V~6.2V
AC Power: Power: 110V 220V
Current: <25 mA
Alarm Sonority: >85dB(3m)
Working temperature: -10 C~40 C

Model No : 108C
photoelectric smoke alarms, they are generally more effective at detecting smoldering fires which smolder for hours before bursting into flame. Sources of these fires may include cigarettes burning in couches of bedding. 108C accords with the ISO/DIS 12239 Standard.
TECHNICAL PARAMETER
DC Power: Power: DC9V
Static Current: <10uA
Alarm Current: <12mA
Low Voltage Alarm: 5.5V~6.2V
AC Power: Power: 110V 220V
Current: <25 mA
Alarm Sonority: >85dB(3m)
Working temperature: -10 C~40 C

Model No : 108D
photoelectric smoke alarms, they are generally more effective at detecting smoldering fires which smolder for hours before bursting into flame. Sources of these fires may include cigarettes burning in couches of bedding. 108D accords with the ISO/DIS 12239 Standard.
Importance ! please read the manual carefully and save it.
The manual includes important information related to its operation, to ensure your safety, you should install one alarm in every room at least, don't open the alarm easily to avoid bad effect.
TECHNICAL PARAMETER
DC Power: Power: DC9V
Static Current: <10uA
Alarm Current: <12mA
Low Voltage Alarm: 5.5V~6.2V
AC Power: Power: 110V 220V
Current: <25 mA
Alarm Sonority: >85dB(3m)
Working temperature: -10 C~40 C

Model No.: 308
Ionization Smoke Alarm
Work Current:less than 10 µA
SPL more than 88 dB
Work Temp.:Minus10 Deg. To 40 Deg.
Operat. Voltage:DC9V
N.W.: 5.8KG
GH.W.: 8.5KG
Q'ty/box: 60PCS
Packing Size(cm): 46x35x27

Model No : 508A
photoelectric smoke alarms, they are generally more effective at detecting smoldering fires which smolder for hours before bursting into flame. Sources of these fires may include cigarettes burning in couches of bedding. 508A accords with the ISO/DIS 12239 Standard.
Importance ! please read the manual carefully and save it.
The manual includes important information related to its operation, to ensure your safety, you should install one alarm in every room at least, don’t open the alarm easily to avoid bad effect.
TECHNICAL PARAMETER
DC Power: Power: DC9V
Static Current: <10uA
Alarm Current: <12mA
Low Voltage Alarm: 5.5V~6.2V
AC Power: Power: 110V 220V
Current: <25 mA
Alarm Sonority: >85dB(3m)
Working temperature: -10 C~40 C

Model No : 508B
photoelectric smoke alarms, they are generally more effective at detecting smoldering fires which smolder for hours before bursting into flame. Sources of these fires may include cigarettes burning in couches of bedding. 508B accords with the ISO/DIS 12239 Standard.
Importance ! please read the manual carefully and save it.
The manual includes important information related to its operation, to ensure your safety, you should install one alarm in every room at least, don’t open the alarm easily to avoid bad effect.
TECHNICAL PARAMETER
DC Power: Power: DC9V
Static Current: <10uA
Alarm Current: <12mA
Low Voltage Alarm: 5.5V~6.2V
AC Power: Power: 110V 220V
Current: <25 mA
Alarm Sonority: >85dB(3m)
Working temperature: -10 C~40 C

Model No.: DSW168P
Photoelectric smoke alarm
Work Current:10 uA (normal) and 20-50 mA
Loud 85dB alarm signal
Work Temp.:4.4°C - 37.8°C
Operat. Voltage:DC9V
Packing Size(cm): 105mmX25mm
1 year min. battery life