Kasa Apple HomeKit Smart Light Switch, KS200 Control your lights, ceiling fans and other fixtures from anywhere with the KS200. The smart switch replaces most of the standard light switches, and connects to your home Wi-Fi in no time through the free Kasa App. Kasa also lets you manage connected fixtures with your smartphone or tablet, including setting schedules, timers and countdowns. For added convenience, you can use your voice to control the KS200 with Siri, Amazon Alexa and Google assistant. Input Voltage: 100 - 120 VAC, 50/60 Hz, 15 A.