🔐 Secure smarter, live freer — don’t let your guard down!
The KERUI 433MHz Wireless Door/Window Magnetic Sensor is a compact, battery-powered security device designed to instantly alert you when doors or windows are opened. Compatible with all KERUI alarm systems, it operates on a reliable 433MHz frequency with a communication range up to 250 feet. Easy to install with self-adhesive tape and featuring a low battery LED indicator, it ensures continuous protection for your home or business.
| Number of batteries | 1 12V batteries required. (included) |
| Voltage | 12 Volts |
| Control method | App |
| Noise level | 140 dB |
| Mounting type | Door Mount |
| UPC | 607467345691 |
| Manufacturer | KERUI |
| Package Dimensions | 12.5 x 10.7 x 2.5 cm; 50 g |
| Batteries | 1 12V batteries required. (included) |
| Size | D022 Door/window Sensor |
| Style | Door/Window Magnetic Sensor |
| Installation method | Self Adhesive |
| Included Components | Battery |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Item Weight | 50 g |
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