Description
Hardening your property’s entry points, the Ajax DoorProtect U Wireless Door Contact – Black (AJA-121294) provides immediate notification of door or window intrusion for Ajax systems.
Providing Black EN50131 Grade 2 performance, the Ajax Ajax DoorProtect U Wireless Door Contact – Black (AJA-121294) (AJA-121294) is specifically configured to minimize installation complexity while maintaining elite-level security oversight.
Expert Analysis
The AJA-121294 model represents the latest in Ajax’s security roadmap, offering improved battery life and encrypted signal protocols.
Why buy from our professional collection EE?
As an official UK stockist, we provide 24-month warranties on all professional hardware. Our technical team is available to support your installation with expert guidance on system configuration.
Recommended Use Case
Ideally suited for primary entry points including front doors, patio sliders, and vulnerable ground-floor windows.
What’s in the Box?
- 1 x Ajax DoorProtect U Wireless Door Contact – Black (AJA-121294)
- Compact footprint
- Pre-installed CR123A or equivalent battery
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Durable magnetic sensor
- Requires precise alignment of magnet
Advanced Technology: Utilizes the proprietary Jeweller radio protocol for secure, long-range communication of up to 2,000 meters in open space.
Aesthetic Finish: Satin Black
Expert Verdict
- 1 x Ajax DoorProtect U Wireless Door Contact – Black (AJA-121294)
- Compact footprint
- Pre-installed CR123A or equivalent battery
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Durable magnetic sensor
- Requires precise alignment of magnet
- 1 x Ajax DoorProtect U Wireless Door Contact – Black (AJA-121294)
- Compact footprint
- Pre-installed CR123A or equivalent battery
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Durable magnetic sensor
- Requires precise alignment of magnet
Explore our wider range of tinned copper security wire to complete your installation.
Integrates seamlessly with security control panels.
Technical Overview
| Brand | Ajax |
| System Type | Wireless |
| Compatibility | Ajax |
| Detection Type | Magnetic Contact |
| Location | Indoor |








