AjaxSensors
AJAX DoorProtect Jeweller
DoorProtect Jeweller is a wireless opening detector designed to secure doors, windows, and skylights by detecting intrusion or burglary attempts. It features a British-made reed switch rated for over 2 million openings. The detector comes with magnets of two sizes for flexible installation even on narrow window and door frames. DoorProtect Jeweller is powered by a pre-installed battery, ensuring operation for up to 7 years.
24-Month Warranty
Free Installation
Key Features
- British-made reed switch rated for 2+ million openings
- Up to 7 years battery life on pre-installed CR123A
- Two magnet sizes included for flexible installation
- Up to 1,200m wireless communication range
- Chime feature transforms detector into doorbell notification
- Terminals to connect third-party NC contact detectors
- Protection from contact chatter to prevent false alarms
- Tamper-resistant with instant alerts
- Temperature sensor included
- Remote control and configuration via app
- Block encryption based on AES algorithm
- SmartBracket mounting - no need to disassemble enclosure
Specifications
Sensing Element
Reed switch
Reed Switch Rating
2,000,000 openings
Alarm Signal Delivery
0.15 seconds
Activation Threshold
Small magnet: 1cm, Big magnet: 2cm
Battery Life
Up to 7 years
Battery Type
CR123A (pre-installed)
Communication Range
Up to 1,200m (open space)
Operating Frequency
868.0-868.6 MHz
Operating Temperature
-10°C to +40°C
Humidity
Up to 75%
Dimensions
Ø20mm × 90mm height
Weight
29g
Certification
Grade 2 (EN 50131)






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