Cool and fantastic tech design that makes your dailylife so much easier with a simple click on your smartphone that makes your home smarter. You can set a schedule to open/close the roller blinds according to your own timetable. And use a countdown timer to open/close the curtains through your smartphone. 1 min to 6 hours is all fine. Eg: 7:00 am open the curtain, and let the sunlight slowly wake you up in the morning. 22:00 pm close the curtain, sleep mode for quite comfort. Works with your traditional roller blinds shutter switch to realize intelligence easily. Use with convenience, you can choose to work with roller blind shutter motor only or together with curtain switch. High compatibility, support for matching different types of curtains, such as window blinds, roller blinds, venetian blinds, etc. Device sharing function, one device can be shared with different family members to control your intelligent devices together. And one smartphone can control multiple curtains, and multiple users can control one curtain together. If you're already lying in bed but forget to pull up the curtains, you don't need to get up to close the curtains, making your dailylife more convenient. After correctly connecting to the T uya APP, you can achieve remotely control the on/off of your home intelligent curtain devices wherever you are. Compatible with for Alexa, and for Google Assistant for voice control, you can turn on or off the curtain just by voice. Name:Curtain Switch Voltage:100-240VAC, 50/60Hz Max. load:10A Compatible with for Alexa, and for Google Assistant for easy voice control, you can turn on or off the curtain just by voice, providing maximum convenience. Colour:White Material:Plastic Package Contents: 3 x Curtain Switch