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

Carbon Monoxide Detector, Portable Carbon Monoxide Detector, Carbon Detector manufacturer / supplier in China, offering Hot Sale Household Security Digital Carbon Monoxide Gas Detector, Gas Leakage Detector with Valve for Smart Home Security System, Smoke Sensor for Home Security Alarm System and so on.

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Hot Sale Household Security Digital Carbon Monoxide Gas Detector

Purchase Qty.:
10-99 100-499 500-999 1,000+
FOB Unit Price: US $9 US $8.5 US $8 US $7.5
Purchase Qty. (Pieces) FOB Unit Price
10-99 US $9
100-499 US $8.5
500-999 US $8
1,000+ US $7.5
Get Latest Price
Port: Shenzhen, China
Production Capacity: 100000 PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: SFL-504
  • Usage: Gas
  • Certification: CE, RoHS
  • Sensor: Electrochemistry Co Sensor
  • Standby Working: ≤35ua
  • High Volume: 85 dB
  • Material: ABS Anti-Fire Plastic
  • Humidity: 20% ~ 90%
  • Trademark: SFL
  • Specification: 107*44mm
  • HS Code: 85311000
  • Type: Sensor
  • Installation Mode: Ceiling Mounted
  • Application: Home, Industry
  • Power Supply: DC 9V Alkaline Battery
  • Alarm Current: <=30mA
  • Working Temperature: -10 ~ 50 ºC
  • Standby Working Current: <=35ua
  • Warranty: 18 Months
  • Transport Package: Neutral Box/ Customized
  • Origin: Shenzhen, China
Product Description
Hot Sale Household Security Digital Carbon Monoxide Gas Detector


Main Features

1.Electrochemical sensor co detector 
2.conforms to EN50291 & CE 
3.Test/reset Button 
4.Low Battery Warning 

General Description

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-504 is the battery-operated alarm that includes a backlight digital display feature. It can be installed on the wall or tabletop. 

The Carbon monoxide alarm SFL-504 is designed and tested carefully to detect CO concentration in a residential environment. It provides continuous monitoring of CO levels, even during power outages when many CO incidents occur. The backlit digital display feature allows for easy viewing of carbon monoxide levels from 30-999 PPM (parts per million).

1. Electrochemical sensor co detector 
2. Self-Checking function
3. Low-battery warning indicator
4. Low Battery Warning 
CO sensitivity meets EN50291 or UL2034
6. Easy to install, move and maintain
7. 3 years limited warranty for the CO-sensing unit

Product Front view                                                                     

Hot Sale Household Security Digital Carbon Monoxide Gas DetectorHot Sale Household Security Digital Carbon Monoxide Gas Detector

Technical Parameters
Standby working current≤35uA
Alarm current≤30mA 
Power supplyDC 9V alkaline battery
The battery life≥12 Months
Alarm concentrationWhen 300ppm, alarm within 3 minutes
When 100ppm, alarm within10 to 40 minutes
When 50ppm, alarm within 60 to 90 minutes
When 30ppm, alarm not happen within 120 minutes
Voice Volume1 meters up to 85 db
Temperature-10 ~ 50 ºC
Humidity20% ~ 90%

Trade Terms & Delivery
1. Payment details:
30% deposit, 70% balance before shipment; L/C, T/T & western union optional
2. Minimum Order: 10 PCS(accept trial order)
3. Delivery Details: 
    3 working days for sample order
    5-7 working days for general order
   10-15 working days for big order
4. Packaging Detail: Neutral box/ Customized

5. Deliver by Air/Sea or Express accordingly
6. Discount are offered based on order quantity

Our service

1. Your inquiry related to our products or prices will be replied in 12 hours
2. Well-trained and experienced staffs to answer all your enquires in fluent English
3. OEM&ODM, any your customized products we can help you to design and put into production
4. Protection of your sales area, ideas of design and all your private information
5. Please contact us without any delay. Many thanks.

Company Profile

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.

Our company always adheres to the business principle of "good faith to win customers, good quality to catch market". Now we have set up offices in more than 20 provinces in China, and we also set up our branch company in Hong Kong named Safety Electronic Technology (HK) Co., Ltd., which is convenient for developing overseas markets. The products sell well in China Mainland, Hong Kong, the United States, Canada, Africa, Europe, the Middle East, India, Thailand, Malaysia and many other countries and regions.

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.

The products we produced include smoke detector series, gas detector series, PIR detector series, magnetic series, panic buttons, sirens/strobes, active IR beams and alarm systems.

Factory Images

Warehouse & Workshop                                                   
Hot Sale Household Security Digital Carbon Monoxide Gas Detector
Professional Sales Team                                                   
Hot Sale Household Security Digital Carbon Monoxide Gas Detector
Company Certificate                               Hot Sale Household Security Digital Carbon Monoxide Gas Detector

We also supply

Wired Alarm SystemWireless Alarm SystemGSM Alarm SystemSmoke Detector
Glassbreak DetectorVibration DetectorWired Flooding DetectorMagnetic Switch 
Household Gas Leak AlarmGas Solenoid ValveDual Passive Infrared DetectorCurtatain-Style Passive Infrared Detector
Active Infrared BeamsWireless Door SensorPush-pull Type Remote ControllerPanic Button


1. Advanced wave welding machine equipment.

2. SMT is owned.

3. All the products are manufactured by the way of anti-static, such as antistatic gloves.

4. Special testing tools for smoke and gas leak detectors.


Q: Do you accept OEM/ODM?
A:We accept OEM, as well as a professional team for customer ODM services. 

Q: How long is your delivery time?
A: Generally it is 3-5 days if the goods are in stock. or it is 7-10 days if the goods are not in stock, it is according to quantity.

Q: Where is your factory located? How can I visit there ?
A: Our factory is located in Shenzhen City, Guangdong Province, China.All our clients, from home or abroad, are warmly welcome to visit us! 

Q: What is your terms of payment ?
A: Payment 30% in advance ,balance before shippment.

How to contact us                                                           
Hot Sale Household Security Digital Carbon Monoxide Gas Detector

Add:A Building,Zhangge Technopark,Dafu Industrial Area,Guanlan,Longhua New District,Shenzhen,China

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OEM & ODM order available

Please enjoy our website, and call or e-mail us with any questions. Our knowledgeable sales team is here to assist you.


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