FAQ Q1.How many bulb can be connected to 1 bridge? A:4 groups bulb can be connected to 1 bridge,no quantity limitation for each group. Q2.How this “bridge” is powered ? need to buy power supply for USB? A:It’s powered with DC 5V. Package includes 1 USB cable,so you need to buy a DC 5V output adaptor for USB. Or you can use smartphone charger adaptor which output is DC 5V. Or connect it to computer USB. Q3.Does it connect to my home wifi? Or will I need to disconnect my iPhone to connect to this? A:Yes,you can connect it to your home wifi according to wifi box manual. So that you can control lights while you’re surffing on the interenet. Q4.Can I connect it to a strip led or just bulbs? A:You can connet it to Milight bulbs directly,but connect it to RGB/RGBW led strip via RGB/RGBW controller,that’s needed for strip controlling. Q5.Where does the grbw led strip plug into on the unit, and where does the 12 volt power plug in on the unit? A:RGBW led strip is not connect to this wifi box,it’s connect to other RGBW Led controller which is used for RGBW led strips.12 Volt power also is plug in that controller. Q6.If I install this with a 4 controller system, where it would have 4 zones, can the hub control all 4 zones with smartphone? A:Yes,APP can control 4 zones via wifi box. Q7.Can I use it to control bulbs when I’m not at home? Yes,this wifi box support smartphone control bulbs via 3G/4G internet.Please contact us at first time if you have any troubles on installation!