Mighty Mule Alarma de entrada inalámbrica FM231

Product Description Alarma de entrada inalámbrica, tecnología electromagnética detecta vehículos que entran y salen de la entrada y te alerta con timbre interior, rango de hasta 400 pies desde receptor interior hasta sensor de entrada, no detecta personas o animales, el transmisor requiere 2 baterías "Aa", no incluidas, nota: utiliza baterías alcalinas de litio en climas más fríos, ajuste de sensibilidad de 3 a 12 pies de radio, interruptores dip para códigos de transmisión personalizados. From the Manufacturer Keep track of vehicles entering or exiting your property with the Mighty Mule Driveway Alarm. (FM131) When a vehicle passes the sensor, the receiver emits an audible tone. Easy to Install and stake is included in kit. The electromagnetic sensor will sense large metal objects and send a signal to the interior base station to let you know someone is there. Install the batteries, near the installation site so the sensor can "learn" the area. If the batteries are installed in the home; the unit may not function properly.

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