It has 16.7 million colours, which are a mixture of red, green and blue leds; Electronic dimmer for light output adjustment from 0 to 100%; High speed full colour strobe or light dimming; It works under the temperature of 40? 60? TECHNICAL SPECIFICATIONS(1W / 3W LED ) Input voltage: AC 90-240V/50-60HZ No. of LEDs:8 red/8 green/8 blue(1W) 8 red/8 green/8 blue(3W) Control signal: DMX512 Control channel: 4-6CH