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Safety Technology STI-3551 Wireless Entry Alert Sensor (Clearance)
Additional transmitter and magnet to help monitor doors. Alarm or chime sounds when transmitter and magnet are separated. Uses a 6 volt alkaline battery (installed) and has 32 frequency codes to help reduce interference. There are thirteen selectable sounds (with the push of a button) on each transmitter.
Availability:2 In Stock. Order by 2pm EST for same-business-day shipping.

Items 1 - 1 of 1