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
$25.78
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
|
SENCKIT wifi pir 01 White No hub required, 2.4GHz WiFi one-key connect
|
Govee H5129 Motion detection up to 32 feet
|
YoLink YS7805 Gray 1/4 mile open air range for perimeter protection
|
Gaoducash P06 White
|
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| Brand | mfySpace | SanJie | SENCKIT | Govee | YoLink | Gaoducash |
| Model | BS-20 | 4 Sensors + 1 Receivers | wifi pir 01 | H5129 | YS7805 | P06 |
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| Price | $25.78 | $35.99 | $16.99 | $143.57 | $35.59 | $17.99 |
| Seller | Joom | Amazon | Amazon | Govee | Amazon | Amazon |
| Update | January 30, 2026 | December 6, 2025 | January 21, 2026 | August 28, 2024 | January 21, 2026 | January 21, 2026 |
| Connectivity | Wireless | Wi-Fi | Bluetooth | LoRa | Wi-Fi | |
| Power Source | Battery | Battery | 2x CR123A batteries | Battery | Battery, USB | |
| Location | Indoor | Outdoor | Indoor | |||
| Sensor Type | PIR (Passive Infrared) | PIR (Passive Infrared) | PIR (Passive Infrared) | |||
| Mounting Type | Adhesive Mount, Tabletop Mount, Wall Mount | Wall Mount | Tabletop Mount, Wall Mount | |||
| Detection Range | 6, 40 | 8m | 402.336 | 10 | ||
| Smart Platform Compatibility | Tuya, Smart Life | Amazon Alexa, IFTTT, Home Assistant | Tuya, Smart Life | |||
Single Beam Infrared Alarm
$25.78
Reviews
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