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Shenzhen Lydian Technology Co., Ltd.

China Manufacturer with main products: Alkaline Battery Charger, Carbon Monoxide Detector, Fire Extinguisher Ball, Gas and Co Detector, Gas Detector, GSM Alarm System, Infrared...

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2 or 4 wire fire alarm

FOB Price: 3.00 - 5.00 USD/Piece
Supply Ability: 10,000 Piece/Pieces per Month
Shipping: shenzhen or other China port
Payment Terms: L/C, T/T, Western Union
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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Lydian
  • Model Number: LYD-612C-4
  • Usage: Smoke
  • Material:: ABS or Other plastic
  • Power Supply:: DC 9V~35V
  • Sensor:: Photoelectric Sensor
  • color:: white
  • LED Indication:: Alarm and Low battery warning
  • Battery:: Zinc/Alkaline/Lithium Batttery
  • Hush Button: Temporary silence function
  • Certificate: EN54
  • Instant Delivery: Within 2 weeks
  • Unit Size: 103*53mm
Packaging & Delivery
Packaging Details: Carton Size: 560*468*355mm Qty: 108pcs in a carton N.W/G.W: 21.5/23.0kgs
Delivery Detail: 10-15 days after receipt of 30% T/T Deposit
* Power Supply: DC9-35V
* Alarm Current: 35mA@DC12V /60mA@DC24V
* Sensitivity: 0.5+/-0.1 dB/m
* EN54 approved

or 4 Wire Fire Alarm 

Applicable for Fire Alarm Control Panel





This product named Photoelectric detector (hereinafter called detector) detects the smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can reflect infrared light. Infrared diodes are placed in the special chamber. The chamber can shield external light, but don't affect the smoke into it.


While have no smoke, the diode can receive very weak infrared light. When the smoke entering the chamber, diode can receive more and more light, when the smoke attains the certain density, the detector can give out alarm signal. In order to reduce the interference and lower power consumption, the emitting circuit adopts the pulse signal. 






* Color  :   White
* Material  :  ABS or Other Plastic
* Power Supply :  DC 9V-35V  
* Alarm Current  :  35mA @ DC12V; 60mA @DC24V
* Sensitivity  :  0.5±0.1 dB/m          
* Standby Current  :    55uA
* Temperature : 0°C - 50°C  
* Humidity : 10%-90% Relative Humidity (RH)
* Dimensions (L x W x H) :  ?103*53mm      

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

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  • Product Quality Commitment

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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