HOMEMATIC IP HMIP SWDO-I-3 - Concealed window and door contacts, 3 pieces
"<b>Homematic IP Smart Home Window and Door Contact - Concealed Installation <br /><br /> </b>Reliably detects when <b>windows </b>and doors are open or closed using an integrated infrared light barrier - INSTALLED OUT OF SIGHT<br /><br />The Homematic IP window and door contact for concealed instal
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