Defender Security U 9917 Door Viewer, 160 deg Viewing, 1-3/8 to 2 in Thick Door, Plastic
$27.91
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High-impact plastic housing requires a 1-3/4 in hole. Clear image prism construction allows arms length viewing with nearly 2 in of giant screen viewing. Fits 1-3/8 in to 2 in thick wood or metal doors. Prism image is a reversed and mirrored image. High impact plastic construction High impact plastic construction Clear-image prism construction For best results when using viewer at night, use less lighting inside than that which is illuminating the exterior side of the entry door Prism image is a reversed and mirrored image
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