Power Supply : AC90-260V; 50-60Hz Power Consumption : 120 W LED Source : 7 pcs 15W Osram RGBW 4 in 1 Dimmer : 0- 100% dimmer with 14 resolution Refresh Rate : 4KHz Control System : DMX512, Master-slave, auto operation Channels : 15CH (fixed) / 6 or 12 CH (switchable) (2 software , you only choose one ) Beam Angle : 8° Feature : 1. 32-bit microprocessor, making the system more stable, faster and more accurate; 2. 4KHz dimming refresh rate, can be used for image capture with no blinking, suitable for more advanced sites; 3. 14 dimming resolution, 0 - 100% linear dimming, making dimming smoother, more detailed; 4. Ultra quiet scanning; horizontal scan: 630 degrees / 540 degrees optional; vertical scan: 270 degrees; 5. LCD128X64 dot matrix display plus four key combinations, user- friendly, easy to operate. 6. Temperature control cooling fan cooling with overheat overcurrent and overvoltage protection function, make LED life increased by 20%; 7. High brightness, low power consumption, high efficiency, 50000 -100,000 hour long-life light source; 8. Use high transmittance of the lens, the brightness increased by 30% than ordinary lens, the angle is optional. 9. International standard DMX512 control; 10. Multiple DMX channel modes with SHV dimming function, stepless color mixing 11. Within (3PCS) and outside (9PCS) circle of lamp beads can be separately controlled (120A).