Aeotec Smart Dimmer 2E, Z-Wave Plug-in Dimmable Lamp Controller Plug and play Z-Wave dimmer for user with lamps Contains real-time energy meter so spend is recorded and reported in watts of kWh Compatible with certified Z-Wave gateways including Open Z-Wave, Mios Vera, Piper and HomeSeer 1. Z-wave certified. Certification number: ZC08-12090009