Easy Set-Up Operation Create Schedule(s) and Timer to Automatically Turn Your Low Voltage Lighting System On/Off from Anywhere Works with Alexa / Google Home Compatible with Android 4.1 and higher or iOS 8.0 and higher Only Support Wi-Fi 802.11 b/g/n (2.4GHz) No Hub Required Works ...Easy Set-Up Operation Create Schedule(s) and Timer to Automatically Turn Your Low Voltage Lighting System On/Off from Anywhere Works with Alexa / Google Home Compatible with Android 4.1 and higher or iOS 8.0 and higher Only Support Wi-Fi 802.11 b/g/n (2.4GHz) No Hub Required Works with Wi-Fi router without the need for a separate hub or paid subscription service Fits directly into Lightkiwi 150 Watt Transformer (Model# C6449), 300 Watt Transformer (Model# W9715) & 600 Watt Transformer (Model# U8810) Does not fit into 75 Watt transformer (Model# U2184) due to the built-in mechanical timer 125 Volts AC, 60 Hz Max. Input Current/Watt 15 Amps, 1875 Watts Resistive or General Purpose 8 Amps. 1000 Watts Tungsten Existing Wi-Fi network required ETL Listed