• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Longsin
  • Model Number: LS-828-3P
  • Name: Protect Fire Smoke Alarms
  • material: ABS plastic
  • usage: fire smoke detector
  • typy: standalone
  • Networked output: N.C/N.O optional LED alarm
  • Operating voltage:: AC 110V ~220V DC9V battery (6F22)
  • Surveillance current: ≤10uA (DC9V) ≤30mA (AC220V)
  • Alarm current:: ≤12mA DC9V ≤30mA AC220V
  • SPL: ≥85dB(with 1 meter)
  • Temperature range: -10~50°C

Packaging & Delivery

Packaging Details white box or color box ,overwrap ,adopted standard export carton
Delivery Time within 7-10 working days after receipt of your deposit

 2015 New Arrival Cheap SMS Wireless Smoke Detector Protect Fire Smoke Alarms

Model: LS-828-3P


Product Description




Main Features Of Protect Fire Smoke Alarms


1. Manual test , Auto-reset 
2. Photoelectric sensor 
3. Sound& flash alarm 
4. Single sided fiberglass PCB
5. High stability to the environment 
6. High density SMT design,high stability
7. Dustproof,mothproof and anti-white light





Product Descriptions Of Protect Fire Smoke Alarms


Rated voltage9VDC
Standard current: 10uA

Alarm current


Working temperature-10℃~+50℃
Alarm modesound & flash 
Monitoring area20 square meter 
Execute criterionGB4715-1993





 Product Photos of Protect Fire Smoke Alarms








Professional Manufacture.

Fire Alarms, Smoke Detectors, Gas Alarms, PIR Sensors, Carbon Monoxide Detectors, Heat Detectors, Compound Detectors,  CO Detectors, Sirens,  Strobe Lights, Door Magnetic Contacts, Electric Bells, Alarm Control Panel...all are available here.






Company Information




About our company Longsin


Established in 2006, Shenzhen Longsin Intelligence Technology CO.,Ltd. is a integration of production and trade. Our products include GSM/PSTN Alarm contral panels, smoke detectors, gas detectors, pir sensors, sirens, flashlight, manual call points, magnetic contact switchs and so on. we had passed ISO9001-2008SGS certification, most of them had approved with CE, ROHS, and were used in EU countries, Canada, USA, Australia, Malaysia, India, Vietnam, Pakistan, etc. Years of faithful of high quality of products, moderate price, efficient delivery, and professional after-sales service had kept our company reputable. Sincerely, we are looking forward to cooperating with our customers based on mutual benefits, development and enjoy the prosperity in this field.











Q:Is Longsin a factory or a trading company?

A: We are the manufacturer, industry and trade integration.  


Q:Where is Longsin?

A:Block 2, Kaijieda Industry Zone,Huchang Road, Baoan District, Shenzhen, China.


Q: Can i have a sample for testing firstly?

A: Of couse, we would like to send our items for your check before each deal.


Q: How soon can I get reply from you?

A: You can be replied immediately on trademanager and inquiry will be read and replied  within 12 hours. 




Packaging & Shipping




About The Payment 

A. T/T      B. Western Union      C. Paypal       D. Money Gram


About The Packing 

Mass Production Delivery Within 7-21 Days After Confirming The Payment.

Sample Will Be Sent In 3-5 Ddays.

Inner Box: Color/White Box(Netural) Or Specially-made As Client’s Requirements.

Outer Box: Standard Corrugated Carton, Can Print Marks.


About The Shipping 

In Bulk: By Sea Or By Air All Are Available.

Small quantity: By Air Or Wxpress(DHL,EMS,UPS,FedEx,TNT,HONGKONG post)
















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:
12 Transactions 100,000+
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 $59,000
Learn More