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🔐 Lock in safety with style — because your space deserves smart protection.
This 5-pack of surface-mounted NC magnetic door contact sensors offers a compact, reliable solution for home and office security. Crafted from durable ABS plastic, each sensor pair uses a normally closed reed switch that triggers your alarm system instantly when doors or windows open. Easy screw installation means no professional help required, making it perfect for millennial managers seeking efficient, sleek, and cost-effective security upgrades.
| ASIN | B0B7DW8QHK |
| Alert Type | Motion |
| Assembly Instructions Description | Easy to install, no professional help required |
| Batteries Required? | No |
| Best Sellers Rank | #234 in Home Security Systems |
| Brand | WESUA |
| Color | white |
| Compatible Devices | Alarm System |
| Connectivity Technology | Wired |
| Control Method | App |
| Customer Reviews | 4.2 4.2 out of 5 stars (100) |
| Date First Available | July 23, 2022 |
| Included Components | Switch |
| Installation Type | Surface-Mounted |
| Item Weight | 4.2 ounces |
| Item dimensions L x W x H | 8.27 x 5.91 x 0.79 inches |
| Item model number | MCS-31 |
| Manufacturer | WESUA |
| Material | ABS plastic |
| Part Number | MCS-31 |
| Power Source | Battery Powered |
| Product Dimensions | 8.27 x 5.91 x 0.79 inches |
| Sensor Technology | Magnetic |
| Unit Count | 10.0 Count |
B**P
Wonderful
This great product work very well
R**H
They work great
Great replacement equipment, inexpensive and they work fine
A**.
They work great.
They work great.
L**E
Worked perfectly.
I needed additional magnets so that I could open my window and still have my security alarm set. If someone would try to come in my windows while they're open the alarm would go off and notify the monitoring system. Less expensive to buy a set than to buy individual magnets from my alarm company. I will be ordering additional sets for the rest of my windows. Thank you.
E**Z
Todo muy bien
B**N
The magnet is not strong
Just need to replace a lost magent on a door sensor. The sensor would not detect the door close with the magnets that come with this package. I had to purchase something else.
R**3
Works perfect
After extensive searching for the right contacts for our alarm system. These worked just right as replacements for our broken, worn out ones
J**B
Not what I needed
I can't really say if these are good or not. I mistook them for something else. They do not work for my needs.
Trustpilot
1 day ago
5 days ago