Smart Roller Blind Switch for Home Use Compatible with Voice and App Support 2 4 GHz WiFi and Timer Programming

High-concerned chemical : None Material : Plastic Origin : Mainland China Smart Home : WLAN Controller App Control : Voice Control Home Automation : Roller Blinds Smart Switch : WLAN Roller Shutter Switch Programmable Timer : App Controlled Roller Blinds Voice Activated Curtain Switch : Smart Roller Blind Switch Curtain Control : Percentage Adjustment