Gold Member Since 2013
Audited Supplier
Shenzhen Safety Electronic Technology Co., Ltd.

Co Detector, Carbon Monoxide Detector, Security manufacturer / supplier in China, offering Auto Carbon Monoxide Sensor LCD Battery Backup for Home Security, Home Smart Alarm Control Panel System GSM Dailer with APP, Monitoring Software Wireless GSM Alarm System with SIM Card and so on.

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Supplier Homepage Product Carbon Monoxide Detector Auto Carbon Monoxide Sensor LCD Battery Backup for Home Security

Auto Carbon Monoxide Sensor LCD Battery Backup for Home Security

FOB Price: US $4.5-6 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $4.5-6/ Piece
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Port: Shenzhen, China
Production Capacity: 50000 PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: SFL-508
  • Signal Transmission: Wired Alarm
  • Certification: CE, ISO, FCC, RoHS, CCC
  • Sensor Type: Electric Alarm
  • Transmission Mode: Cable
  • Receive Frequency: 433.92MHz
  • Detecting Gas: Coal Gas, Natural Gas, LPG
  • Working Temperature: -10~55 Degree
  • Power Supply: Aax3 1.5 V Alkaline Battery
  • Alarm Current: 30mA
  • Battery Life: More Than 12 Months
  • Transport Package: Neutral Box or Customized
  • Origin: Shenzhen Guangdong
  • Type: Home Alarm
  • Working Mode: Passive
  • Application: Indoor
  • Working Principle: Electro-Optical Type
  • Alarm Volume (within 1m): ≥80dB
  • Usage: Fire, Carbon Monoxide Gas
  • Working Volt: No.5 AAA Battery(3 Pieces)
  • Alarm Volume: 85dB
  • Standby Current: 15ua
  • Material: ABS or Other Plastic
  • Trademark: SFL
  • Specification: 11*11*4cm/ 0.15kg
  • HS Code: 8531901000
Product Description
Auto Carbon Monoxide Sensor LCD Battery Backup for Home Security

Carbon monoxide alarm is an important part of your home security plan. In the U. S., the Consumer Product Safety Commission (CPSP) recommended that each family must have at least one carbon monoxide alarm. The SFL-508 is the battery-operated alarm that includes a backlight digital display feature. It can be installed on the wall or tabletop. 

Auto Carbon Monoxide Sensor LCD Battery Backup for Home SecurityAuto Carbon Monoxide Sensor LCD Battery Backup for Home Security
Auto Carbon Monoxide Sensor LCD Battery Backup for Home Security

Technical Parameters

Power Supply3*1.5V AA batteries
SensorElectrochemical CO sensor 
Sensitivity/Alarm TimeWithin 60~90 minutes @ 50ppm CO concentration
Within 10~40 minutes @ 100ppm CO concentration
Within 3 minutes @ 300ppm CO concentration 
LCD Displayer (optional)3 digits LCD displayer
Audibility85dB ( at 1m distance )
Frequency 3±0.5KHZ 
Led Indication /Sound PatternStandby: Green Led flashes once every 30 seconds 
Alarm: Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat
Low-bat IndicatorChirp every 30s as battery lower than 3.3V with green LED flashing and Lb on LCD 
Mal-function IndicatorChirp every 30s with green LED out and Err on LCD
Power consumption0.3mW 
Sensor Life3 years 
Operation ambient0 ~ 40, 20% ~ 90%RH 
 MountingWall/Ceiling mounting 
Dimension100mm*40mm/ 0.2kg

Auto Carbon Monoxide Sensor LCD Battery Backup for Home Security

Company Information

Shenzhen Safety Electronic Technology Co., Ltd. was established in 2004, and is a high-tech private enterprise specializing in the research, development, manufacture, sale and service of security alarm series products. 

Over the years, our company has been adhering to scientific and technological innovation. We are dedicated to new product development, improve the absorption of advanced technological process, and establish a perfect quality assurance system to become a leader in security industry.  

♦ Advanced wave welding machine equipment.
 SMT is owned.
 Special testing tools for smoke and gas leak detectors.
Auto Carbon Monoxide Sensor LCD Battery Backup for Home Security

Our Service

♦ Your inquiry related to our products or prices will be replied in 12 hours
♦ Well-trained and experienced staffs to answer all your enquires in fluent English

♦ OEM&ODM, any your customized products we can help you to design and put into production
♦ Protection of your sales area, ideas of design and all your private information
♦ Please contact us without any delay. Many thanks.


 Q1: Are you manufacturers?

A: Yes, we are manufacturers in China for more than 15 years.


Q2: What about the payment terms?

A: 30% deposit, 70% balance before shipment; L/C, T/T,Paypal & western union optional.


Q3: Do you accept OEM/ODM?

A: We accept OEM, as well as a professional team for customer ODM services. 


Q4: How long is your delivery time?

A: 3 working days for sample order;

    5-15 working days for general order;

   Deliver by Air/Sea or Express accordingly .


Q5: What about the warranty?

A: For the strobe/sensor, we provide 12months warranty;

    for the alarm panel, we provide 18months warranty. 


Q6: Where is your factory located? How can I visit there?

A: Our factory is located in Shenzhen City,China. All our clients, are warmly welcomed to visit us!

We also supply
GSM Alarm SystemSmoke Detector Gas DetectorCarbon Monoxide Detector
Heat Detector Motion DetectorWater Leakage DetectorGlassbreak/ Vibration Detector
Gas Solenoid ValveDoor Magnetic Switch Active Infrared BeamsDual Passive Infrared Detector
Panic ButtonSiren/ HornRemote Controller Open Door Switch

Contact information:                           

Official Web:



Contact Person: Ms. Season

Tel: 0086 13428904640

Please enjoy our website, call or email us with any needs. Our professional sales team always be a good standby! Any of your suggestions will be appreciated.  

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