HAI’s 57A00-1 vanishing mini transmitter for doors and windows is an ultra-thin wireless contact that works with the HAI 45A00-1 wireless receiver. Beveled edges enable the device to blend into its surroundings. The unit transmits to the HAI controller if a door or window is open or closed and features a bypass button that allows manual bypass of the transmitter.

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    • Security Today Magazine - September 2020

      September 2020


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