Sonew
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1 Pair Door Single Beam Alarm Photoelectric Infrared Detector Anti Thief Sensor Home Window Security System
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1 Pair Door Single Beam Alarm Photoelectric Infrared Detector Anti Thief Sensor Home Window Security System
IP55 Sealed Design for anti Rain (FOG), Dust (Worms) and other Integrated climatic conditions, can maintain normal operation in a tough environment.
1 Pair Door Single Beam Alarm Photoelectric Infrared Detector Anti Thief Sensor Home Window Security System
Item #: 39592096

1 Pair Door Single Beam Alarm Photoelectric Infrared Detector Anti Thief Sensor Home Window Security System

Item #: 39592096

SLL 489757

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Wednesday, August 05
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IP55 Sealed Design for anti Rain (FOG), Dust (Worms) and other Integrated climatic conditions, can maintain normal operation in a tough environment.
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What Stands Out

Photoelectric Technology
Utilizes advanced photoelectric infrared technology for accurate detection, minimizing false alarms and ensuring reliable performance for enhanced home security.
Easy Installation
Designed for hassle-free setup, this sensor can be quickly installed on doors or windows, offering homeowners straightforward and effective security.
Versatile Compatibility
Compatible with various home security systems, this alarm seamlessly integrates into existing setups, providing a comprehensive solution to prevent unauthorized access.

Product Details

Shop for 1 Pair Waterproof Door Single Beam Alarm Photoelectric Infrared Detector Anti Thief Sensor. Browse a wide range of Alarm Systems & Security Sensors at Ubuy Sierra Leone. Fast shipping and great deals!
Item Weight1 lbs (450 grams)

Who Should Buy?

Suitable For
  • Homeowners

    Ideal for homeowners seeking an additional layer of security for doors and windows against potential break-ins.

  • Small Business Owners

    Perfect for small business owners wanting to secure entrance points without the cost of a full security system.

  • Apartment Dwellers

    Great for apartment residents needing a discreet yet effective security solution for their entryways.

Not Suitable For
  • Large Properties

    Unsuitable for large properties needing extensive coverage as it only protects specific entry points.

  • High Theft Areas

    Not ideal for high theft zones where more advanced security systems are necessary for effective protection.

  • Technologically Savvy Users

    May not meet the expectations of tech-savvy individuals looking for integrated smart home security solutions.

Product Description

1 Pair Door Single Beam Alarm Photoelectric Infrared Detector Anti Thief Sensor Home Window Security System

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the Waterproof Door Single Beam Alarm Photoelectric Infrared Detector?

    Answer: The Waterproof Door Single Beam Alarm Photoelectric Infrared Detector is designed to enhance home security by detecting unauthorized access. Utilizing infrared technology, it can sense motion across a designated beam, triggering an alarm when someone crosses it. This detector is perfect for securing entry points such as doors and windows, providing an additional layer of protection against intruders.
  • Question: How does the photoelectric infrared technology work?

    Answer: Photoelectric infrared technology operates by emitting an infrared beam. When this beam is interrupted, either by a person or an object, it triggers an alert. This method is precise and effective, reducing false alarms caused by environmental factors. The advantage is its ability to create a virtual barrier, allowing homeowners to monitor their properties without complex installations.
  • Question: Is the detector suitable for outdoor use?

    Answer: Yes, the Waterproof Door Single Beam Alarm is specifically designed for outdoor use. Its waterproof features ensure durability against weather conditions, making it ideal for monitoring entry points exposed to rain or snow. This makes it a functional choice for patios, driveways, and garden entrances, ensuring year-round protection.
  • Question: Can I install this security system myself?

    Answer: Yes, this alarm system is designed for straightforward installation, allowing you to set it up without professional assistance. It typically comes with clear instructions and all necessary mounting hardware. Ideal for DIY enthusiasts, it enables quick deployment, ensuring your property is protected with minimal effort and time.
  • Question: What distance can the infrared beam cover?

    Answer: The infrared beam typically covers a distance of approximately 8 to 12 meters, depending on the specific product model. This range is effective for monitoring standard entry points. It's perfect for creating a security perimeter around doorways or windows, ensuring that any movement is detected well before potential intruders arrive.
  • Question: Does the system support connecting to other security devices?

    Answer: Many models of the Waterproof Door Single Beam Alarm can integrate with existing home security systems. This includes connecting to cameras, alarms, or smart home hubs, allowing for a cohesive security experience. By doing this, it enhances the overall effectiveness of your security setup, providing real-time alerts and recordings.
  • Question: What kind of alert does the alarm produce?

    Answer: The alarm typically produces a loud sound to notify homeowners of potential trespassers. This sound serves as both a deterrent to intruders and an alert to residents. In certain designs, you may find features that allow for customizable alerts, enabling you to select the type of alarm that best fits your security needs.
  • Question: Can this alarm system differentiate between humans and pets?

    Answer: While the waterproof alarm is designed to detect interruptions in the infrared beam, it does not specifically differentiate between humans and pets. To avoid false alarms from small animals, consider positioning the detector at a height that limits their ability to trigger it, ensuring the system remains effective against real security threats.
  • Question: What maintenance is required for the system?

    Answer: Routine maintenance is minimal for the Waterproof Door Single Beam Alarm. Regularly check the sensor for dirt or obstructions that may interfere with performance. Additionally, it's good practice to test the system periodically to ensure it's functioning correctly. This proactive approach ensures reliable security over time.
  • Question: Where can I buy a pair of Waterproof Door Single Beam Alarm Photoelectric Infrared Detector in Sierra Leone?

    Answer: You can buy a pair of Waterproof Door Single Beam Alarm Photoelectric Infrared Detectors from Ubuy in Sierra Leone. Ubuy is a trusted online retailer offering a wide selection of security products, ensuring that you can conveniently enhance your home security system with just a few clicks.

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“Not madly expensive like I thought, and much quicker than promised.”

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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

SLL 489757

Order now and get it around Wednesday, August 05

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Unique design of the Circuit of Digital Filter with High Capacity anti RFI / EMI.
  • Small and beautiful appearance for the Infrared detector.
  • Function of frequency adjustment of four channels, suitable for the installation of pile in the same place.
  • Widely used for Alarm System, Access Control System, etc.
  • Range can be reduced to 30% in bad weather conditions: fog, rain, dust, etc.
  • Material: PC, Outdoor Warning Distance: 10m, Indoor Warning Distance: 20m, Induction speed: 30ms, Infra-red frequency: 1.92KHZ, Power supply: 12V DC, Wavelength: 940nm, Input: RX 15mA-TX 30mA, Operating temperature: -20-70, Relay output: 1A max 30V, Color: As picture shows, Technology: Infrared, Package Weight: 121g/4.3oz