Aeotec by Aeon Labs ZW056 ZW056-A Doorbell Gen5, Small, White Every press of Doorbell's outdoor button notifies your connected home that someone is at the door, allowing you to receive notifications, a chime in the home, and to activate any devices attached to your Z-Wave system. Wirelessly communicating with Doorbell's button. Doorbell speaker offers configurable volume and tones and simply plugs into any power outlet. Each speaker module is only 64.8mm wide, 92.3mm high, and 30.8 deep. Doorbell is easy to install. Its speaker simply plugs into a power outlet, and its button can be easily installed beside your front door with double-sided tape or small screws. You'll find those easy installation methods provided in Doorbell's box, along with the USB cable that'll allow you change its alert tones. From outside to in, Doorbell uses ultra-low powered wireless communication. There's no wiring necessary. Hear and see when someone is at your door via Doorbell's LED light alerts and customisable tones. Works with HomeSeer ISY994Zw VeraEdge Z-Wave Gateway Controller - Set up parameter 80 = 1 (1 bit dec) to receive notifications and create scenes including the doorbell