The pack of 4 par 64 can's has 183 led light bulbs that are 10 millimeters each and they are produce light that is equal to a 250-300 watt incandescent par cans. These lights will easily throw light 60-70 feet and the light has a 20 degree beam angle. The par 64 has standard 3 pin DMX XLR in and out ports and has dipswitches for DMX addressing. Each light consumes 4 channels of DMX which are as follows: Channel 1 Red, Channel 2 Green, Channel 3 Blue, Channel 4 Strobe and Intensity. You also have the option of not using a controller and by using just the dip switches you can choose from 7 static colors one color wash program and a sound activation mode as well. The light weight about 10 pounds and the light produces no heat like traditional par cans do. The par can dimensions are 11 inches by 9 inches in diameter. Each par can include clips for mounting diffusers and a hanging bracket.