Voice controlWi-Fi wall switch compatible with Alexa and Google Home. The Wi-Fi switch compatibles your original manual switch compatible smarter home automation. compatible example: Alexa, open the blinds Only support 2.4GHz Wi-Fi Free app remote control Download the free Smartlife or Tuya Smart app in Google Store or scan the QR code in the manual. Open or close connected blinds anytime, anywhere via 4G or WiFi network. Timing Sharing Function Create your own schedule compatible each of your curtains, open/close your curtains at different times. All family members can also control the light switch via their smartphones, which is convenient and simple, saving time. Neutral wire The roller shutter switch needs a neutral wire because it can be remote controlled and voice controlled. The Wifi curtain switch can be used in conjunction with smart curtains, electric doors, electric gates and other equipment, and supports a maximum power of 2400W. HIGH SAFETY AND GOOD QUALITY The wifi roller shutter switch is made of flame retardant ABS material, which has passed the safety and quality requirements. Package: 1 white curtain switch.