Ajax DoorProtect( 30615), BLACK Wireless magnetic opening detector

More installation options with two magnets of different size
> The reed switch with a resource of 2,000,000 openings
> Protected against reed switch chattering
> Additional NC input for connecting a third-party detector
> Up to 7 years of operation on preinstalled battery
> Up to 1,200 m of two-way encrypted wireless communication
> Remote control and setup via the app
> Pairing via QR code

Manuals: https://support.ajax.systems/en/manuals/doorprotect