Thank you very much for choosing our intelligent light control app – eFamily. The Smart lighting is equipped with emerging Zigbee Techinology, handled with the most sophisticated production and adopted with our years of development experiences. The lighting system has no flash frequency brightness adjustment, 16 million color switching, timer and multiple color and profile option. All the functions above can be controlled by this App in your Smartphone, no matter where you are. Our product will make your life more easier and comfortable. Need some permission like Camera. In order to make the best experience with our product and services, please do read this App manual carefully.