Function of lamps1. Cold White or Warm White: single cold white or single heat white, no distant control. 2. changeable: bloodless white/warm white/natural white, three color mild changeable, no remote control. 3. RC remote dimming: 3000K (warm white) - 6000K (cold white) any remote control dimming or switchable mild color. 4. APP with RC Dimmable: with APP/Remote Control function, You can replacement the color of the sunshine by means of method of APP or handheld remote control of lamps9 heads size: diameter 100cm, top 50cm(adjustable). 12 heads size: diameter 100cm, height 50cm(adjustable). 15 heads size: diameter 120cm, top 50cm(adjustable). 18 heads size: diameter 120cm, height 50cm(adjustable). Wattage: 9 heads-63W,12 heads-84W,15 heads-105W,18 heads-126W. Applicable area:10-50 sq. meters. Product material: ironware,glass. Voltage: 110V/220V/AC90-265V(Available in all countries). If you're from Brazil, please go away me a message with the voltage you need. Factory direct sales,100% nice quality,lowest price,wholesale please contact guest service.▲ nine heads size: diameter 100cm, peak 50cm(adjustable).▲▲12 heads size: diameter 100cm, peak 50cm(adjustable).▲▲15 heads size: diameter 120cm, top 50cm(adjustable).▲▲18 heads size: diameter 120cm, peak 50cm(adjustable).▲▲Applicable area: 10-50 square meters▲▲Wattage: 9 heads-63W,12 heads-84W,15 heads-105W,18 heads-126W.▲▲The method you look up▲▲18 heads▲|▲Warm White▲▲18 heads▲|▲Light on effect▲▲18 heads▲|▲Light off effect▲▲Product material: ironware,glass.▲▲If you need tradition APP or AI voice control, please touch us▲▲Voltage: 110V/220V/AC90-265V(Available in all countries).▲▲If it's best to customise the height please touch us▲