Shenzhen Sumring Technology Co., Limited
Free member
Since 2019
Guangdong, China
Best wireless smoke detectors optical combined smoke alarm and heat alarm
Payment:
TT/L/C/D/P/Western Union/Paypal
Minimum Order:
1
Delivery:
5-7days
Origin:
China
Packing:
neutral color box
Inspection:
-
Samples:
Charge
Sample Price:
$7.00
Remarks:
more info: https://www.firealarmfactory.com/wireless-linked-smoke-alarms.html
Model number SR-820DHR Static current ≤10μA Alarm current ≤35mA Sensitivity 2.06%/ft±1.3 Alarm Temperature 57℃ Alarm indication LED flashes in red Alarm sound ≥85dB/3m Operating temperature -10℃~+50℃ Radio frequency 315MHz/433MHz (Default...
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