BusinessTool 4-in-1 Function Magnetic Door Sensor Alarm: Wireless operation
Ever wished your doors could tattle on intruders? Meet the 4-in-1 Function Magnetic Door Sensor Alarm—your home's new best friend. This little powerhouse packs a magnetic sensor, alarm, LED indicator, and wireless operation into one sleek package. It's like having a mini security guard that doesn't take coffee breaks, keeping an eye (or rather, an ear) on your doors and windows.
Why you'll love it:
- Installation is a breeze—no tech degree required.
- Wireless? Check. No tangled wires to trip over or curse at.
- That LED isn't just for show; it's your visual heads-up something's amiss.
- So compact, even Sherlock Holmes might miss it (but burglars won't stand a chance).
Features
- LED indicator
- Magnetic sensor
- 4-in-1 functionality
- Wireless operation
General specs
- Brand: BusinessTool
- Seller: Joom
- ID: 674eed948b46ea0100e47fa5
- Operation: Wireless
- Functions: Magnetic sensor, Alarm, LED indicator, Wireless operation
- First listed by seller: 6/21/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$20.09
Last price update: 6/21/25
Out of stock
Shipping options
Delivery to 
United States
United States
Unavailable
Comparison with similar products
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4-in-1 Function Magnetic Door Sensor Alarm Wireless operation
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| Brand | BusinessTool | Mi | GREENCYCLE | SENCKIT | Tuya | TUGARD |
| Model | KS-SF20R | wifi door window sensor | DWS09 | ZASD-G21 | ||
| Color | ||||||
| Rating |
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| Price | $20.09 | $24.17 | $22.89 | $11.72 | $18.99 | $38.99 |
| Seller | Joom | Gshopper | Amazon | Amazon | Gshopper | Amazon |
| Update | June 19, 2025 | July 25, 2024 | December 6, 2025 | December 9, 2025 | July 25, 2024 | December 6, 2025 |
4-in-1 Function Magnetic Door Sensor Alarm
$20.09
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