TOUCH KEY VOICE COMMAND: Compatible with Echo Alexa and Google Home, you can open/close/pause the shutter by voice. You can create a routine in Alexa to pause the shutter by voice. SCHEDULE TIMES: From the "Smart life" application on your smartphone, you can manage the schedules. With the timer function, you can program openings and closings at a specific time. CONTROL FROM ANYWHERE: Tuya (free) smart life APP in phone or tablet helps realize limitless remote control, you can control the curtain from anywhere at home or away from home. specification Operating voltage: AC110-240V (50/60Hz) * Maximum load: 400 W/Gang (resistive load) * Operating current: Max 2 A Standby consumption: 0.1 mA* Wireless protocol: 2.4 GHz Wi-Fi Wireless Range: 30 meters (indoor)* Switching standard: EU Material: flame retardant ABS