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

Fire Alarm, Smoke Alarm, House Alarm manufacturer / supplier in China, offering Ceiling Top House Fire Sos Security System Hydrant Smoke Alarm, Promotional Custom Logo Engraved Keychain Letter Opener Mini Knife Logo Print, Cute Portable Lemon Style Key Chain Ring Bottle Opener and so on.

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Ceiling Top House Fire Sos Security System Hydrant Smoke Alarm

Purchase Qty.:
1-999 1,000-4,999 5,000+
FOB Unit Price: US $4.2 US $3.8 US $2.4
Purchase Qty. (Pieces) FOB Unit Price
1-999 US $4.2
1,000-4,999 US $3.8
5,000+ US $2.4
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.: DE21
  • 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
  • Size: 115*37 mm
  • 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
  • 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 detector with smoke alarm detector is necessory product for home security, It 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 smoke  alarm
Standby Current≤10uA
SPL≥85dB(with 3 meter)
Operating voltageAC 110V ~220V  DC9V battery (6F22)
Low voltage working time7-15 days
Temperature range-10~50°C 
Package in retail box 

1)  Material: ABS plastic
2)  Assembly no wiring, size: Dia.102xH35mm
3)  Power supply: 1Year 9V carbon zinc battery/PP3(battery included)
4)  Standby current: 8uA, Alarm current: 16mA
5)  Environment temperature: 4°C ~ 37°C
6)  Environment humidity: 0 to 95%(40±2°C)
7)  Alarm decibel: louder than 85dB at 10feet(3 meters)
8) Tamper Resist locking pin
9) Test button:To verify the proper functioning of the detector
10) Low voltage warning: Unit beeps every 40 seconds for 7 days(minimum) to indicate a need of battery replacement
11) Smoke sensitivity: comply for EN14604
12) CE, ROHS, EN 14604
13) 10 years sensor span life

Package included
1 * Smoke Detector
1 * Color box 
1 * User manual 
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