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Door / Window Sensor Notification Tag - WiFi

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Product Description

The HAM212 Door/Window Alert Tag from Velleman is a battery operated, adhesive backed magnetic reed switch sensor that joins onto your home/office WiFi network. 

When triggered, the device sends an alert to your smartphone or tablet (free iOS and Android apps available) to let you know that the monitored door or window has been opened.

The battery power is only used during an alarm trigger.

Ideal for:

  • Door monitoring
  • Window monitoring
  • Children's rooms
  • Garden offices
  • Storerooms/secure areas
  • Discreet monitoring


  • Simply Pair Devices to your standard Home/Office Router or WIFI Extender
  • All Alerts are sent to your Smart Phone
  • Alert Notifications can be silent or accompanied by an Alarm Tone
  • Additional Low Battery and Loss of Signal Alerts sent
  • Powerful free of charge Android or iOS APP for your Smartphone
  • Up to 100 individual Devices can be registered and seen in the app & shared with other Smart Phones
  • Create floorplans in the APP showing Device location
  • Super Low power consumption
  • APP records last 30 activations with time and date stamp
  • Life-time Cloud service for the APP provided free of charge
  • 3M double-sided Tape for fixing included
  • All units can be automatically disabled for up to 4 different daily periods
  • Motion Sensor can be an instant alert or if no further motion seen for 15 or 45 mins
  • All units water resistant to IP44


  • battery: 2 x AAA batteries (not incl.)
  • free smartphone app:
  • weight: 33 g
  • dimensions: 53 x 64 x 21 mm

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