Voice Control:Voice control the curtain switch ON/OFF by Alexa & Google Assistant at homeonly Alexa can set percentage control Curtain Percentage Control:Accurately control roller shutter at specify percentage position via App or Alexa App Remote Control:- Support Smart Life APP /Tuya APP.- Mobile app remote control to open or close curtain. RF Remote Control:Control the device via different remote controls, which can be controlled individually and group management. Touch Panel Control:Manual control of the device through the glass touch panel for safe operation with wet hands. LED Backlight:Set up lights according to the time of day to guide you in the dark night. Group Control:Group control of devices and sharing of devices with family members. Timer programming:You can set a timer to open or close the curtains at a specified time. Personalize Scene Settings:With Smart Life scene settings, you can flexibly set your curtain status according to sunrise, sunset or weather conditions. Specification Input voltage: 100-250 VAC, 50 / 60HzMax Load: 600 WWiring: Neutral Wire, L1, L2, Earth WireWireless Protocol: Wi-Fi 2.4GHz(Not support 5Ghz)RF Remote Frequency: 868Mhz(Legal Frequency Band in Europe)App Name: Smart Life or TuyaVoice Control: Google Assistant, Amazon Echo AlexaColour: WhiteStandby Consumption: below 0.5WSwitch Dimensions: 120mm * 72mm * 39mm