DOORPROTECT

The AJAX DoorProtect is a wireless magnetic contact sensor that detects door/window openings using a reed switch, alerting the Ajax hub instantly via Jeweller protocol up to 1200m in open space.
It includes tamper protection, a wired sensor input (NC), and up to 7-year battery life, making it ideal for indoor perimeter protection with encrypted two-way communication.
Key Specifications
Feature
Specification
Sensing Element
Reed switch (1cm small magnet / 2cm big magnet gap) 
Communication
Jeweller 868 MHz (up to 1200m open space) 
Battery
CR123A 3V (up to 7 years) 
Inputs
1x wired NC sensor socket ​
Features
Tamper switch, LED indicators, frequency hopping 
Dimensions
90 × 20 × 20 mm (detector); 29g ​
Temperature
0°C to +50°C; up to 80% humidity ​
Protection
IP50 indoor; Grade 2 CE