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The MS-1039S is designed primarily to serve as a sensing devices to detect the opening of a door or window; to assure that a protected door is securely under surveillance; to serve as a trigger for a wall-mounted Detex Exit Alarm; to signal that a door has been inadvertently left open; and to be used as a direct switch to set off many kinds of audio and visual alarms.
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🇺🇸 Ship from USA · On Agora since 2025
$84.19