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Cheap price smart rf magnetic contact door sensor wireless 433mhz

  • 10-49 Pieces
  • 50-199 Pieces
  • >=200 Pieces
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1 batch = 10 Pieces
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Shipping fee:
Depends on the order quantity.
Lead Time:
1 day(s) after payment received
Customized logo (Min. Order: 100 Pieces)
Customized packaging (Min. Order: 200 Pieces)


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Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Model Number:
detect door/window open illegally
2 Year
wireless frequency:
433 MHz
emit distance:
100m more
Alkaline 23A 12V
battery life:
6-8 months
unit weight:

Packaging & Delivery

Selling Units:
Single item
Single package size: 
22X18X5 cm
Single gross weight:
0.500 kg
Package Type:
Plastic bag each sensor 200 pcs each carton
Picture Example:
Lead Time :
Quantity(Pieces) 1 - 10 11 - 50 51 - 200 >200
Est. Time(days) 1 2 3 To be negotiated

window security Cheap price smart rf magnetic contact door sensor wireless 433mhz 



Save power design, low power indicated, It is widely used for monitoring and security system, with high reliability, small size, easy installation and operation and strong flexibility. It is including one transmitter part and one magnetic part, when the door or window is open, it will be triggered and immediately sends out wireless signal to main alarm system to warning. Installing place: door, window, drawer ,cabinet and so on


The most of interesting features of the door sensor are:

1) 2 in 1 design, blue LED alarm light integrated with hide emegency panic button together

2) support closed+open 2 emitter signals from the door sensor, user can decide which kind of signal as per its needs(optional)

Sensor size

Free double tape


1triggered:<1.5cm with built in antenna 1527IC
2working voltage:12V, use 23A Alkaline battery
3alarm current:< 20mA
4static current< 3.5uA
5working frequency433.92mhz+/- 2KHZ
6emitting frequency> 10mw
7frequency tolerance+/- 0.2MHZ



1. You should fix the transmitter part on the doorcase, magnetic part on the motion door separately by adhesive, The Led of the transmitter part should near to the magnetic part.

2. The distance between the transmitter part and the magnetic part should be no more than 1cm.

3. It means OK if the Signal LED flashes for 1 second after installation.

4. The signal blue LED flash for 1 second to alarm,

5.The red LED light will be on if the door sensor is low voltage, please replace the same size new battery

1) the door sensor can work alone?
----KI-E001 can't work alone, it needs to work with alarm receiver together
2) The door sensor can give off alarm sound?
-----KI-E001 can't give off the alarm sound if it is triggered, it only will emit 433MHZ RADIO signal to the alarm receiver.
About US


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We are a company with 10 years of history in alarm system, We have our own R & D team and  factory.So we can make the following guarantee:

1) Quality assurance: all of our products are certified by CE, so please be assured that our product quality, at the same time, we provide three years of warranty service.

2) Price advantage: we have our own factory, so the price of our products is the original price, Compared with other companies,we have more price advantage.
3) Product customization: you can customize products in our company, whatever product functions or products LOGO.
4) After sales service: we have our own after sales service team . When you order our products, we provide full after-sales tracking service, until you are satisfied.
5) Multi language Customization: our user manual is available according to the needs of customers, different countries, we can provide you with different language users use manual.
6) Rapid delivery: our company have establish long-term cooperative relations with FedEx, DHL ,UPS,China Post, EMS and other large logistics companies , so we promise to deliver the goods in three working days after payment.
7) Rave reviews: seven years of good service has won the praise of the vast number of consumers, so the we have the real good service for consumers.


In our company you can buy assured products and get better service. If you have any questions, please let me know. please trust me, no matter what the problem I can solve for you!



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