Aeotec Nano Switch on / off controller， Z-Wave Plus， In-wall， works with Alexa<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Convert any switch or outlet into a Z-Wave connected switch or outlet for wireless control and automation. Existing wall switch or power outlet continues to operate as normal</li><li>Super small; fits behind your existing wall switch or power socket. Measures only 1.58 x 1.69 x 0.76 inches</li><li>Universally compatible: can be controlled via 2-state (flip/flop) external/manual switch， momentary push button or the 3-way switch</li><li>Compatible with certified Z-Wave gateways including Samsung SmartThings， Mios Vera， Fibaro， Jeedom， and Open Z-Wave</li><li>Z-Wave Plus certified for quicker response time and best wireless range. Certification number: ZC10-17035510</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41UKerJSasL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/413ZM7DLOLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41bv176IHCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31tPWXp8vHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31yUwIkxRkL.jpg" noproxy>