I use them for 3 years. It not look at first, it's not a must play of light, and yet the whole is generally very popular at parties (combined with a laser, strobe and smoke machine).
Floodlights, change movements to the sound of music (chase, flowers, fixed or rotary), the effects are not repetitive, easy installation, all wiring is provided (XLR), use fully autonomous (No DMX ) with a remote control (on / off).

A major drawback: a cooling time is strictly necessary before disconnecting the projos otherwise be counted 4 to 8 euros per lamp (although he y 'forced ventilation to meet the request of the previous opinion) so as not to pilot through controlled outlet.
He might be criticized for not having span on the microphone (in my case it's ever been a problem).
The quality / price is honest. Reserved for those who want a simpas effect without breaking the bank.