52 x 24 x 23 mm, 18 x 18 x 8 - 23 mm, Bluetooth 4.0 Smart, 1x ½ AA (ER14250 3.6V) Replaceable Battery
<b>Improve your comfort.</b>
Live smarter by knowing more about the place you care about most. With Eve Door & Window, Eve understands whether your door or window is open or closed.
<b>Gain Insights.</b>
See your home at a glance, and view beautiful graphs by day, month or year. Gain insights that help you improve your comfort, and make your home a smarter place.
<b>Easy Setup</b>
Eve connects directly to your iPhone or iPad using Bluetooth Smart technology, without requiring a hub, gateway or bridge.
<b>Use your voice</b>
Use Siri on your iPhone, iPad, or iPod touch to ask for the current door or window state.
<b>Advanced Security</b>
HomeKit technology provides advanced security with end-to-end encryption and authentication between Eve and your iPhone, iPad, or iPod touch.
<b>Simply elegant.</b>
The Eve family has been carefully designed to seamlessly blend into your home environment. This elegance extends to truly wireless operation: thanks to Bluetooth Smart technology, Eve is powered by long-lasting, replaceable batteries, so you don't even have to deal with power cords.