Elgato Eve Smart Door/Window Sensor, No Hub Required

The Elgato Eve Door and Window Wireless Contact Sensor understands whether your door or window is open or closed. See the current open/closed state at a glance and view statistics on time and duration to make smarter and safer choices for your home. Taking advantage of Apple's revolutionary HomeKit technology, Eve offers unparalleled ease of use, advanced security and tight integration with Siri. The Eve door and window sensor connects directly to your Apple iPhone or iPad using Bluetooth Smart technology, without requiring a hub, gateway or bridge. It is 3.6 volts and has an average battery life of 4320 hours.

Elgato Eve Door and Window Wireless Contact Sensor: See open/closed state HomeKit sensor technology Advanced security and tight integration with Siri Assembled product dimension is 5.00" x 5.00" x 1.80" Requires lithium iron batteries