Control anything a standard light switch can, simply & easily from your smartphone. Set lights to turn on & off at dawn, dusk or any time that works with your daily schedule. With Away Mode, make it look like youre home when youre not by having your lights turn on at random times during the day. Compatible with Alexa for voice control. Three-Way Switch KitIncludes two switches. Wi-Fi Technology: 802.11b / g / n @ 2.4 GHz; Operating System Compatibility: Android; iOS; Compatible Devices: Android Phone; Android Tablet; iPad; iPhone; Power Requirements: 100-120 V / 60 Hz / 300 W.