Specifications Power 20W 30W 50WVoltage DC12 14VColor ratio full spectrum 380nm 840nmColor temperature 380 840nmSize L W 60 40mm appro Lighting area 24 24mm Features Most cost effective closest to sun light grow LED chip Full spectrum suitable for all kinds of plants in different stages What is Full spectrum led chip It is the newest trend for indoor plants Advanced LED grow lights chip not provide single color provide broad spectrum 400nm 840nm similar with sun light but most is red and blue it is best for plant grow This is a revolutionary step for LED grow lights which have previously been unable to act as the sole light source for the indoor garden Suitable for all stages of plant growth Package included 1 Grow Chip