This smart DIY curtain module can be used in your home, office, hotel and other places. You can also get voice control once you connect to Alexa Google Home smart voice assistant, go ahead and try it, it won't let you down. Features: Remote control: you can use your mobile phone to control the curtain remotely even if you are far from home. Hands-free voice control: Compatible with Alexa and Google Home, providing your smart lives to control curtains with much more convenience. With this curtain switch module, you can turn your traditional switch into a smart switch module. /> It is compact and does not take up space. You can install it wherever you want, or it is small in size, so you can take it wherever you want to use it. Tuya APP Control: You can connect this curtain module with Tuya APP, then you can open/close the curtain anytime and anywhere via APP, enjoy the convenience of smart lives. Features: Material: ABS Color white Voltage: 220-240V AC 50/60Hz Max.: 3A Frequency: 2.4GHz ~ 2.484GHz IEEE802.15.4 Zigbee: zigbee 3.0 Package size: 47 * 47 * 18 mm / 1.9 * 1.9 * 0.7 inch Package weight: 54g / 1.9 ounce Note: Please verify that your motor is 4-wire before placing your order (note: motor not included, requires a separate purchase.) This roller shutter switch module cannot work with DC motor. Packing list: 1 * curtain module