Paradox DCT6

Paradox DCT6 is a wireless magnetic door contact that is discreetly hidden within the frame of a door or window.
Selectable 433 or 868 MHz on-board setting

Installation:
This door contact is reccessed(hidden) and requires drilling holes into the door and frame

Features:
Selectable 433 or 868 MHz on-board
Durable long life cost effective alkaline battery
Indoor range of 40 to 70 meters
Anti-Tamper switch (Cover opening)
Powerful magnet guaranteed to operate at 10 mm (0.4 in.)
Supervised and battery level monitored