Timer and programme function: connected the smart switch with any 4 wire motor, you can partially or completely open the curtain with your smartphone at any time, set the work program previously, automatically open the curtains in the morning and let the sun wake up. Control from Anywhere: Download the free “Smart Life” app on your phone, connect to Wi-Fi (only 2.4 GHz) and you can control your device remotely from anywhere with the Smart Life app and control the opening / closing of your curtains at any time. Voice Control: LoraTap Shutter Switch is compatible with Amazon Alexa (Amazon Echo/Dot/Tap) / Google Assistant, which allows you to open and close curtains with voice commands. It gives you a smart life and easier to put your hands aside Safe Touch Switch: The 4mm tempered glass panel ensures safe operation even with wet hands. The touch switch supports a maximum power of 600W which can work with most smart curtains, curtains and projection screens with remote control function Warranty: The button indicator light only turns on when the corresponding function is on, which means the light of the button will not disturb you at night. This wireless curtain switch is CE and RoHS certified, totally safe to use. LoraTap offers 1 year warranty on this product, any help you need, please contact our customer service