Office Door Bell Sensor

3 units aa battery to operate. 1 0 out of 5 stars 1 8 49 8. Easy to fix and adjustable door bell holder.

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Door chime wireless door alarm contact sensor doobell with 500ft range 52 chimes adjustable volume mute mode led indicators 1 plug in receiver 1 door sensor for office home store.

Office door bell sensor.

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