The RF Extender has four outputs marked 1 - 4. Each emitter cable has 2 flashers, so 4 emitter cables will allow you to control 8 devices. All you have to do is attach one flasher to each device, and make sure you assign the devices to the proper RF outputs via the software.
There are only 2 types of people in the world....those I like, and those I don't. Remember, the only reason some people are alive is because it's illegal to shoot them.