






🛡️ Stay one step ahead—secure your space with magnetic precision!
The QWORK MC-31 is a compact, surface-mounted magnetic reed switch sensor designed for door and window security. Featuring an 8mm±1.8mm actuation distance and normally closed contact type, it reliably detects open/close status without batteries. Packaged in sets of five with mounting screws, its sleek white plastic design fits discreetly into any modern home or office environment, offering durable, maintenance-free protection.




| Manufacturer | QWORK |
| Part Number | WD3811 |
| Item Weight | 0.01 ounces |
| Package Dimensions | 5.75 x 4.57 x 0.71 inches |
| Item model number | WD3811 |
| Size | MC-31 |
| Color | White |
| Material | Plastic |
| Mounting Type | Door Mount |
| Switch Style | Magnetic Reed Switch |
| Batteries Included? | No |
| Batteries Required? | No |
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