mfySpace BS-20 Single Beam Infrared Alarm: Waterproof design
This single beam infrared alarm is for homeowners who want a simple, reliable perimeter alert. Forget complex systems; this sensor offers peace of mind by detecting movement at your door or gate with high sensitivity, ideal for securing entry points like a backyard gate or garage door.
It works seamlessly in various conditions, from cold winters to humid summers, with a detection range up to 20 meters. The waterproof design ensures it functions year-round, and the N.O./N.C. contact selection allows easy integration with existing security setups. You get two sensors in the package, making installation straightforward for DIY projects.
Features
- High sensitivity detection
- Infrared beam sensor
- Works with 12V power supply
- Includes N/O and N/C switch
- Suitable for schools and homes
- Waterproof design
General specs
- Brand: mfySpace
- Model: BS-20
- Seller: Joom
- ID: 68f76f172a8c6b01ccd62616
- Application: Schools, Homes
- Sensitivity: High Sensitivity
- Product Type: Door Single Beam Infrared Beam Alarm, Infrared Beam Sensors
- Weather Resistance: Waterproof
- First listed by seller: 12/10/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$24.17
Last price update: 12/10/25
Available to order
Shipping options
Delivery to 
United States
United States
Unavailable
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
mfySpace BS-20 Black Waterproof design
|
SanJie 4 Sensors + 1 Receivers White Wireless operation with 800-foot range
|
Govee H5129 Motion detection up to 32 feet
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Infrared Temperature Tester Laser aiming for precise targeting
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GoveeLife H5127 White
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Infrared Temperature Tester Measures from -58 to 1022°F
|
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| Brand | mfySpace | SanJie | Govee | GoveeLife | ||
| Model | BS-20 | 4 Sensors + 1 Receivers | H5129 | GM550 | H5127 | GM550 |
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| Rating |
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| Price | $24.17 | $35.99 | $140.86 | $23.82 | $29.99 | $23.55 |
| Seller | Joom | Amazon | Govee | Gshopper | Amazon | Gshopper |
| Update | December 12, 2025 | December 6, 2025 | August 28, 2024 | July 25, 2024 | December 9, 2025 | July 25, 2024 |
| Connectivity | Wireless | Bluetooth | Wi-Fi | |||
| Power Source | Battery | 2x CR123A batteries | AC | |||
Single Beam Infrared Alarm
$24.17
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