The Ajax DoorProtect Plus U Jeweller is an advanced wireless door and window contact sensor that provides reliable perimeter protection while detecting vibration, tilt, and opening events. Using the latest U-Jeweller wireless technology, it offers extended communication range, improved signal reliability, and long battery life — making it ideal for both residential and commercial security systems.This versatile sensor doesn’t just detect when a door or window is opened — it also identifies impact and tilt movements, allowing early detection of attempted break-ins or tampering before entry occurs. It operates flawlessly with Ajax hubs and range extenders using the U-Jeweller protocol, ensuring stable performance and fast alarm transmission.Features:-3-in-1 detection – monitors door/window opening, vibration, and tilt-U-Jeweller wireless communication – provides up to 1,700 m range and enhanced signal stability-Instant alarm transmission – alerts the system in under a second-Adjustable sensitivity – tailor vibration and tilt detection to suit the installation-Pet- and vibration-resistant – filters out minor shocks or movement to avoid false alarms-Battery life up to 5 years – powered by a replaceable CR123A cell-Tamper protection – alerts if the sensor is opened or removed-Compact design – blends seamlessly with modern interiors-Available in white or black to suit any décor-Easy installation – mounts with SmartBracket and pairs via QR code
Ajax
