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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: ACJ
  • Model Number: ACJ428
  • Usage: Smoke, Smoke detector
  • product name: home automation electric duct smoke detector
  • color: white
  • power: 9 v battery
  • sensor: optical sensor
  • Wireless frequency: 315/433MHz
  • range: 50 meters in free space
  • display: two-tone LED display
  • warning: low battery, battery missing
  • warranty: 3 years

Packaging & Delivery

Packaging Details each product with installation hardware and manual into a gift box 10.5*10.5*4cm, then 100boxes into a carton 55.5*44.5*23.5cm, 14.5/15.5KGS
Delivery Time 3 days after payment received

home automation electric duct smoke detector

Product Description



1) Strong adaptability for circumstance 
2) SMT design, high stability 
3) 9-35V DC wide voltage operating range 
4) Low standby current 
5) Power supply non-polarized input 
6) Twin LED for 360 degrees visual 
7) Flashing LED power indicator 
8) Relay output alarm output (4-wire) 
9) Metal shield, anti-electromagnetic interference 


product name

home automation electric duct smoke detector



Operating voltage

9V battery (independence or wireless type)

Static current

=<200uA (network type)

=<10uA  (independence or wireless type)

Alarm current

=< 20mA

Indicate alarm


Sound level

>=85dB/m  (independence or wireless type)

operating humidity


Detecting area

20 square meter

Alarm output

sound & flash alarm (independence type)

RF signal 315MHz or 433MHz (wireless type)




Detailed Images


product installation


product display


Packaging & Shipping


home automation electric duct smoke detector included:

 1 x Smoke alarms 

 1 x English User Manual

 1 x 9v battery

 1 x nut

1pcs weight


1pcs size


100pcs  weight


100pcs into a carton box size 



Delivery time : 

2-3 workding days for sample .As for bulk order ,it depends on order quantity .


DHL, UPS,TNT, EMS, FEDEXand other courier available as required.


1. Do you worry about our company?

     -- Definitely not !  Alibaba has verified all our information and offer a guarantee.

2. What is the single most important thing you can do when it   coms to fire safety in your home? 
    -- All experts agree that without a doubt, the most important step to take is to make sure you have working product installed.

3. Why choose LIDINGFENG? Any advantages?

    -- Yes. There are 8 advantages
(1) All our products has produced agaist ISO standards,and some owns UL, EN certificates etc. 
(2) Customize: We have strong R&D team, which can make the customized product as your request.
(3) Free OEM service: Silk-printing your Logo(≥1000PCS). Design your color box(≥3000PCS). 
(4)Mix order : We accept mix order, different model and small quantity order. 
(5) After-sale service: (a)1-2 Years Guarantee. 

                                   (b) If you found any inferior-quality products from us, we will send new ones to replace for free in your next order after confirmed.

4. Can I order samples to test the quality?

    -- Sure.


1. Our Company Name: Shenzhen LiDingFeng Technology CO., Ltd.

2. Our Website: http://acjalarm.en.alibaba.com/. 

3. We are the manufacturer of home security alarm: smoke detector, gas detector, CO detector, GSM/PSTN alarm system, etc.

4. Contact Person: Sundy 

5. Contacts: Tel: 86-755-89798501        Skype: sundy.ldf   

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 .

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Transaction Value
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Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
5 Transactions 20,000+
The supplier’s transactions conducted 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 $33,000
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