21W LED Aquarium Grow Bulb E27 For Coral Reef Fish Tank Aquarium Par Light(7pcsx3W) Silver LED Quantity:7pcsx3W;Beam Angle:120degree;Working Temperature:(-20~40C) Input Voltage:100V-240V,simple design,easy to install,suitable for any country use Lifespan:50000hours,long service life,1 year warranty Size of Lamp:95x100mm;Weight:1kg Regular spectrum ratio:460nm/14000k/420nm=3:3:1