DC3V battery 433mhz Interconnected fire alarm smoke detector – SR-851SI4 – Fire security factory more than 15 year

433mhz Interconnected fire alarm smoke detector

Category: Smoke detector

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Place of Origin: Guangdong, China

Brand Name: SUMRING/OEM

Model Number: SR-851SI4

Product name: Interconnected fire alarm smoke detector

Usage: Fire Protection

Warranty: 2 Years

Power supply: DC3V battery

Can be connect 20 pcs: YES

Wireless interconnection frequency: 433.92MHz GFSK

Wireless transmitting distance: 200m (open area)

Material: Fireproof ABS Marterial

Product Description
interconnected smoke detector
This SR-851SI4 smoke alarms are interconnected, meaning they communicate with each other(20 units in a group), forming an integrated system of protection for your home. Alarms can be interconnected via wireless interconnection frequency(433.92MHz GFSK). Meantime, it can also be used alone.

Power supply
DC3V battery (The battery is included）
operation
Can be connect 20 pcs
Alarm Sound
>85dB/3M
Wireless interconnection frequency
433.92MHz GFSK
Wireless transmitting distance
200m (open area)
Alarm mode
siren with flash
Battery life
5-8 years
Low voltage threshold
2.6V
Alarm concentration
13%
Humidity
0%~95%RH(No condensation)
Sensitivity
0.5dB/m (±0.1dB/m)
Humidity
≤95%RH
Execute Criterion
EN14604:2005/AC:2008
Material
ABS fireproof material
Installation method
ceiling mounted
Size
Φ110mm×H57.15mm
single packing size
13.2cm*12.2cm*6.8cm