Features:  1.Free APP remote control:  Download the free app 'Smartlife' to your mobile phone, connect to your home Wifi (only 2.4 Ghz) with wireless jalousier switch and you can control it anytime from anywhere.  2.Handsfree Voice Control:  Wlan louver switch is compatible with Amazon Alexa (Amazon Echo / Dot / Tap) / Google Assistant, with voice control to open and close the curtains. Since then, the use of this switch has become effortless.  3.Easy to install / use:  The installation method can be installed in just a few minutes like the traditional blind switch. Touch switches give you different experiences when you use it.  4.Quality assurance:   Overload protection and fire protection material increase the safety of use considerably. 45-day transfer guarantee, If there is a problem, please contact us without hesitation.    Specification:  Housing material: ABS flame retardant material;  Color: White;  Rated voltage: 110-220V;  Startup method: Touch app voice control;  Installation hole distance: 10cm;  Panel material: tempered glass panel;  Copper sheet material: copper sheet;  Electrical life: 100,000 times;  3C rated voltage range: 240V or less;  Certification: FCC CE ROHS;    Package Includes:  1* Wifi Smart Switch