Ajax DoorProtect WHITE - 2 Way Wireless Door / Window Reed Sensor With Universal Input

2 Way Wireless Door Or Window Reed Switch With Universal Input

• Authentication to prevent forgery
• Jamming detection and communication channels encryption
• Tampering alarm
• Operates up to 7 years without battery replacement
• External contact is available for connecting third-party detectors
• Includes magnets of various sizes for installation on narrow frames and door frames