Specifications: [ voice control]Support voice control of mainstream smart speakers Support for Tmall Genie, Xiaoai, Xiaodu, , Google Assistant [Support Siri voice control]Support Siri voice control Hey siri, open the projection cloth to pay attention: this function must first set up the "smart scene - one-key configuration" in the Tuya Smart/Smart Life APP of the mobile phone and add it to Sir [Intelligent linkage]Intelligent linkage Intelligent linkage After the theater mode is turned on , the lights are dimmed, and the projection cloth is slowly opened, so that you can enjoy a cinema-level experience [Manual calibration of travel time]The APP can set the travel time for theto rise or fall, so that the travel control is more accurate. [With remote control and manual control]In the case of no network, it can also be controlled by remote control or manual key control switch parameters: Working voltage: AC110~240V (50/60HZ) Load power: 600W Maximum current: 10A Standby power: 0.6MA Wireless protocol: WIFI 2. 4GHZ Controller parameters: Wireless way: 43392MHZ Installation : with back clip Battery: 12V23A More uses: This product is not only used for projection screen switch control, but also suitable for AC220V AC motor "positive and negative stop" control such as electric screens, curtains, , electric doors, etc. Material: plastic colour: white Package Contents: 1 x Controller 1 x Switch 1 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.