Making your life and property more safe.

Function of optical smokde detectors :
Photoelectric technology is generally more steady than ionization technology at detecting large particles, which tend to be produced in greater quantity by smoldering fires, which may smolder for hours before bursting into flame. Sources of these fires may include cigarettes.
The unit monitors the air, and when smoke reaches its sensing chamber, it alarms. It can give you more time to escape before fire spreads. This unit can only give an early warning of developing fires if it is installed, maintained and located where smoke can reach it,

and where all residents can hear it, as described in this manual. This optical smoke detectors will not sense gas, heat, or flame. It cannot prevent or extinguish fires.
The optical smoke detectors shall include a test button that will electronically simulate the presence of smoke and cause the unit to go into alarm. This sequence tests the units electronics, battery and horn to ensure proper operation.
The unit shall include a piezoelectric horn that is rated at 85 decibels at 10 feet. In a smoke incident, the horn will sound in the repetitive manner—three beeps , a pause, three beeps , a pause .
The optical smoke detectors shall also include a low battery warning utilizing a brief alarm chirp every 30-40 seconds for a minimum of seven days.

The optical smoke detectors will utilize a red LED that shall flash once every 30-40 seconds to indicate the alarm is receiving power.

Features of optical smoke detectors :
Smart Technology designed to help reduce unwanted or nuisance alarms.
Single Button Test : pushing the button to test the alarm
Dust Cover is included to keep the alarm clean during construction.
Easy Installation/Maintenance features include two screws for easy access to install smoke alarm on the ceiling.

Technical specifications of optical smoke detectors:
1)Net Weight:150 g
2) Working Current :
a)Static Current:≤10µA
b)Alarm Current: ≤12mA
3) Operating Voltage: DC9V
4) Audio Alarm : 85 Db at 10 feet.
5) Temp Range :14℉( -10℃) to147℉( 60℃)
6) Humidity Range: ≤95%RH（40±2℃）
7) Battery : 9V battery back-up for at least 1 year.
8) Protection area : 6 m high , 60 ㎡.

Package of optical smoke detectors:

Optical smoke detectors x1
Screw x2
Giftbox x1

FOB price:$2.8usd/pc

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