They are with high-quality LED and 50,000 hours lifetime have aluminum quadrate frame
Size have 225 LED for 12 x 12 inches, 450 LED for 12 x 24 inches, 900 LED for 24 x 24 inches
Color of LED is 11:4 mix of red and blue or full red, or full blue, red wavelength 640 to 645nm, blue wavelength 465 to 470nm, power 18W for 12 x 12 inches, 36W for 12 x 24 inches, 72W for 24 x 24 inches
Supplier and product information updated June 20, 2008. Global Sources verifies information published here via regular supplier visits.
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