• Sourcing Solutions
  • Services & Membership
  • Help & Community
We offer premium service for Trade Assurance orders.

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: saifuli
  • Model Number: SFL-903
  • Usage: Smoke
  • Certification: CE and ROHS approved
  • Installation: ceiling mounted
  • Sensor: photoelectric
  • Color: white

Packaging & Delivery

Packaging Details gift box
Delivery Time 5-10 days after advance payment


Wireless Home Security
2.CE and ROHS approved
3.Easy imstallation
4.High quality and best price

Wireless Home Security Smoke Alarm SFL-903







1. Photoelectric detection. 


2. Using low-power CMOS microprocessor 


3. Special moisture-proof design 


4. Independent. networking. wireless output optional 


5. Manual testing, manual reset function 


6. Double-sided PCB process structure unique design


7. Pest control, dust-proof anti outside light interference







Optical speed

Working Voltage

9VDC \ 12VDC /AC220V

Working Current

Static current < 10ua ,Alarm current 10 ~ 30mA

Smoke sensitivity

Complies with UL217 Standard, the test value per inch of 3.2% weak Misty detector response 

Alarm Output

 12V wired networking, 9VDC independent 9VDC wireless optional

Working Temperature









Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
40 Transactions 50,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $158,000
Learn More