4x Siterwell Photoelectric Smoke Detector Alarm with Built-in 10 Y Battery Hot

Description

SITERWELL Smoke Detector, 10-Year Fire Alarm Smoke Detector with Built-in 3V Battery and Photoelectric Technology, Fire Detector with Low Battery Warning and Silence Fuction, UL217, GS508C, 4 Packs
Product Description
10 Year Use Time
The battery of GS508C is powered by DC 3V built-in battery. It can be used for ten years without replacing the battery.
SITERWELL ELECTRONICS CO.,LIMITED which was established in 2010.We focus on creating various types of sensor alarm, IOT industry application security solutions. It's an enterprise which has firstly obtained the products' certifications of European, American and Australian standards in China.
Siterwell products are exported to around 66 countries, its products mainly include: sensor alarm; fog machine; IOT intelligent security and so on.
Techinical Speacifications
Sensor type: Photoelectirc
Product life: About 10 years
Safety standards: UL 217
Best operating ambient temperature:4.4-37.8℃(40-100℉)
Loud>85dB(A)alarm signal@3M
Package contents
1 x Alarm
1 x Mounting Bracket
2 x Screws
2 x Anchor Plugs
1 x User Manual