Gold Member Since 2013
Audited Supplier
Shenzhen Dowdon Tech Co., Ltd.

Smoke Detector, Smoke Alarm, Fire Alarm manufacturer / supplier in China, offering Cordless Photoelectric Smoke Detector 85dB Aloud Fire Alarm with Test Button, Cheapest Promotion Gift Multipurpose Tube Squeezer Toothpaste Squeezer Customize, Pocket Ruler Bookmark Magnifier Magnifying 3X Magnification and so on.

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Supplier Homepage Product Security & Protection Cordless Photoelectric Smoke Detector 85dB Aloud Fire Alarm with Test Button

Cordless Photoelectric Smoke Detector 85dB Aloud Fire Alarm with Test Button

Purchase Qty.:
1-999 1,000-9,999 10,000+
FOB Unit Price: US $3.7 US $2.8 US $1.7
Purchase Qty. (Pieces) FOB Unit Price
1-999 US $3.7
1,000-9,999 US $2.8
10,000+ US $1.7
Get Latest Price
Port: Shenzhen, China
Production Capacity: 5000 PCS/Week
Payment Terms: T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: SW21
  • Anti-theft Alarm System Approach: Active
  • Anti-Theft Alarm System-Wide: Surface Control Alarm Detectors
  • Types of Smoke Detectors: Gas Detectors
  • Infrared Sensor Installation: Embedded Wall
  • Color: White
  • Bluetooth Version: 3.0 + EDR
  • Standby Current: ≤10ua
  • Spl: ≥85dB(with 3 Meter)
  • Low Voltage Working Time: 7-15 Days
  • Trademark: OEM
  • Specification: CE
  • Type: Smoke Sensor Probe
  • Anti-Theft Alarm System Type: Sound and Light Alarm
  • Anti-Theft Alarm System Distance: Power Detector
  • Infrared Sensor Probe Type: Infrared Temperature Sensor
  • Combustible Gas Detector Model: NA-300
  • Weight: 130g
  • Size: 102xh35mm
  • Alarm Curret: ≤30mA
  • Operating Voltage: AC 110V ~220V DC9V Battery (6f22)
  • Temperature Range: -10~50
  • Transport Package: in Retail Box
  • Origin: Shenzhen, Guangdong
Product Description
Wireless Smoke alarm smoke detector with is necessory product for home security hotel security and so on, This smoke alarm will beigin to alarm when the density of smoke or co arrive some degree, best choice for home, resturant , hotel and so on. We are professional manufacturer of smoke alarm co alarm, if have any need, contact us freely

Name Co alarm
Standby Current≤10uA
SPL≥85dB(with 3 meter)
Operating voltageAC 110V ~220V  DC9V battery (6F22)
Low voltage working time7-15 days
Power supply1Year 9V carbon zinc battery/PP3(battery included)
Temperature range-10~50°C 
Environment humidity0 to 95%(40±2°C)
Package in retail box 
1, Silence function 
2, 10-year product lifespan.
3, Easy installation, remove and maintenance.
4. Sleek low-profile housing design.
5. Fully supervised for low battery and low sensitivity.
6. Test button verifies battery and alarm operation.
7. Sounding a loud alarm signal of exceeding 85 dB(3m) in alarm mode.
8, Photoelectric sensing technology - Detects Slow Smoldering Fires. 
9, Low voltage warning: Unit beeps every 40 seconds for 7 days(minimum) to indicate a need of battery replacement11
Package included
1x Smoke alarm device
1x Battery
1x User's manual
1x Mounting spare parts

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