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The Ajax DoorProtect Plus is an advanced wireless opening detector that goes beyond standard door and window monitoring. In addition to detecting when a door or window is opened using magnetic field sensing, it also registers changes in vertical slope angle, bangs, and vibrations, making it capable of identifying break-in attempts before entry is gained. It can even be installed on roof windows that you leave open when leaving the house, providing flexible protection for unconventional entry points. White model - MC422W. Black model - MC422B
| Alarm Signal Delivery Time | 0.15 |
| App Control | Yes |
| Battery life | 5 Years |
| Detection Range | 1700 m |
| Device Polling Period | 12−300s |
| Jamming Detection | Yes |
| Plug & Play | Yes |
| Power Supply | 3 V |
| Sensitivity Adjustable | 3 levels |
| Tamper Resistant | Yes |
| Wireless Operation | Yes |
| Operating Temp (Min) | -10 °C |
| Operating Temp (Max) | 40 °C |
| Warranty | 2 years |
| MPN | 38100.21.BL1 |
| Model number | MC422 |