Make life easy controlling your automated blinds and curtains with the connected NETSTAR Mobile App. Go hands free with voice-control, with Amazon Alexa. Easily Automate Daily task and create scenarios. Control your window equipment remotely and appear to be at home when you are out. Input Voltage: 110V -290 VAC Slot Load: 660 watts @ 220 VAC Operational Frequency : 2.4GHz ISM