RGB Wi-Fi Remote control ALL LED Black

RGB Wireless remote control for ALL LED RF receivers, black, single zone. Made to control the ASC/WIFI/REC receiver.

What's the difference between this and a Single Zone controller?
Single zone controllers control all assigned receivers simultaneously, meaning the colour of all LEDs will be the same. Multi-Zone controllers allow you to have (in this case) up to 4 different "zones", which act as groups of receivers that can each be controlled individually.