Minimal heat production and no infrared rays or ultraviolet radiation to destroy plants. * Spectrum: Red 650nm, Blue 465nm, Orange 610nm, White 7000K * Voltage: 110V to 220V Watts: 14W * Lumen: Red 7.2lm x 77LEDs, Blue 4.8lm x 47 LEDs, Orange 7.1lm x 77 LEDs, White 7.5lm x 24 LEDs * Best distance to plant: 4030 (inch2)/40(inch)