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KERUI SD03 Fire alarm sensor/Wireless smoke detector tester for smart home automation security

Brand Name: KERUI                                           Type: Smoke Detector
Model Number: KR-SD03                                  type: Smoke detector
size: 109*144mmworking                                  voltage: 3V(2 AAA batteries)
(4996 available)
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  • Description
  • Reviews(558)
Wireless Home Alarm Siren AC 220v Electronic Indoo: kerui
KERUI SD03 Fire alarm sensor/Wireless smoke detector tester for smart home automation security

Product Features:

This smoke detector detects the smoke to make sure everyone is awakened and alerted in case of a fire emergency.The detector is suitable for detecting the smoke in home, room, shop, hotel, restaurant, office, school, bank, library, computer house, storehouse and etc, it can work independent and can also work with our alarm system

High sensitivity, low rate of false alarm
Alarm test button for easy testing
Loud 85dB audio alarm
Low battery consumptiom
Alarm Indication: Red LED flash
Easy to install with mounting hardware included
Self-test function and can simulate alarm test.
Fashion design, durability, Voice prompts
Linkage with kerui alarm system
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Technical Features 

1. 3V 2*AAA battery (Not included)
2. Alarm Current: 10-30mA
3. Standby Current: 15μA
4. Operating Temperature: 0°C ~ +50°C
5. Relative humidity working Humidity: Relative 10%-95%
6. Detecting Area:30 square meter
7. Linkage transmitting distance:
8. Smoke Sensitivity: 0.55%/FT +/-15.5%/FT
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Packaging & Shipping


Shipping Method: By Sea, By Express, By Post.
Packaging Method: Standard exporting packages in carton boxes , Original Box or by your requirments.

Package: 1x Wired Infrared Motion Sensor




Our Services

1. OEM&ODM Service

A, customized the language is appreciate (such as Italian, Arabic,Portuguese,French ,etc)

B, customized logo on the alarm system ,also can print your logo on the packing box.


2. 12 months Warranty and high quality

All our alarmes with 12 months warranty, first 3 months replacement, long-life maintenance

each alarm undergo strict tested by QC before shipment


3. Professional service and Factory Price

100% original brand manufactory production, highest quality with the competive price.


4. Payment

T/T, Western union, or Paypal (value less than 500 USD)

Company Information

Our Advantages:

 Q1. Can I have a sample order?
Yes, we are willing to offer trial sample order to you for quality test. Mixed samples are acceptable.

Q2. What is the lead time?
Sample needs 1-3 working days, mass production needs 10-25 working days for order less than 5000pcs.


Q3. Do you have any MOQ limit?
EXW MOQ is 20 pcs under carton box.

Q4. How do you ship the goods and how long does it take arrive?
The sample will be sent to you by optional shipping service (couriers, air, and sea). The delivery time 
depends on the shipping service.

Q5. How will we proceed the order if I have logo to print?
Firstly, we will prepare artwork for visual confirmation. If the color and position are right, we would 
make sampling firstly from silk print factory and take picture for your second confirmation before 
mass production.

Q6. Does this sensor work with any alarm host?
It can work with most of the alarm host with the same frequency.

Q7. Warranty Period
12 months.


Welcome to contact us!


Average rating: 5.0 based on 558 reviews
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