Stand Alone Smoke Detector Build-in 9V Battery, The Alarm Sound
The smoke detector will make your life more safety and beautiful.
Photoelectric technology is generally more sensitive than
ionization technology at detecting large particles, which tend to be produced
in greater a mounts by smoldering fires, which may smolder
for hours before bursting into flame. Sources of these fires may include cigarettes.
Applies widely to works, banks, stores, warehouses, offices and
Static Current ::
≤1 2 µ A
≤1 5 m A
Audio Al arm:
8 5 DB a t 1 0 f e et
6m high , 6 0 ㎡
Humidity R a n g e:
≤9 5 % R H (4 0 ±2 ℃)
1 4℉( - 1 0 ℃) t o 1 4 7 ℉( 60 ℃)
B a t t e r y : 9 V b a t t e r y b a c k - u p f o r a t l e a s t
1 y e a r .