Packing list. The kit comes with 3 * 8w multi-purpose dimmable A19 bulbs, 1 * gateway unit with power cord(3.28ft/1m), and 1 * network cable(3.28ft/1m). Simple control. Just use one smart phone with IOS7.0 & Android 4.0 and higher version to control led bulbs, turn on and off, dim and brighten, change color, timer and schedule functions. Easy to set up. Screw the bulbs into your existing lamps. Connect the gateway with the router by using the network cable, and then plug the power adapter into the mains supply. Download the free lighting App, and start setting up each bulb. Can be connected to a variety of devices. The free app works with iOS7.0 and Android4.0 or above based system and up to 250 devices on 1 system. Multi-color options. Display up to 16 million colors, bringing endless possibilities to help you get creative or personalize your lighting to match a scene or mood. Energy saving. Replace 50W incandescent bulb by 8W LED bulb. Save 80% energy. Dimming on demand. Smooth dimming technology goes into every connected bulb, so it's easy to set the perfect brightness to any room. Complete, convenient control. Control your lights from anywhere in the world with your smartphone or tablet - even from distant outside with 2G, 3G, 4G or Wi-Fi network. Control them individually or as a group together. Expandable. The possibilities are endless, because the smart lighting system allows you to connect to and control up to 250 smart bulbs all from one gateway — enough for every household room imaginable. Custom Settings. The timer function allows you to customize preferred lighting levels in specific rooms for different times of the day, assign off and on times, and have them repeat at any time. Input Voltage: 100-240 V AC.