Entry door bell alarm chime doorbell wireless ir infrared monitor sensor detector split alarm
Operation voltagev3 whats in the box1indoor unit 1outdoor unit connectionwireless ir distance m5 materialplastic kit configurationone to one doorbell additional featuresalarm ir infrared answering modeding dong mountingwall mounting primary applicationburglar alarm welcome elderly pager doorbell home working temperaturec 10 60 10 60
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