aquasunspot 7x1andaquasunspot 12x1are constructed using 1 watt power LEDs. The combination of white (10,000 K) and blue LEDs results in a perfect colour spectrum for coral reef aquariums. The light efficiency is c. 90 lumen/watts.aquasunspot 7×1 blueandaquasunspot 12x1blue are constructed using 1 watt power LEDs. The blue LEDs results in a perfect colour temperature of c. 25000K.aquasunspot 7x1andaquasunspot 12x1can be used in E27 socket;aquasunspot 12x1is also compatible with PAR lamps.Technical data: aquasunspot 7×1 aquasunspot 12×1 Power uptake/watt 7 watts 12 watts Quantity of LED white/blue 4/3 8/4 Quantity of LED blue712 Base E27 E27 Voltage 230V/50 Hz 230V/50 Hz Diameter 9.2 cm 12 cm