Miracle LED Absolute Daylight Grow Light, 6W Red + Blue + 5000K Low Temp Plant Growing Bulb 2-Pack (604896) Ultra efficient bulb uses only 6 watts of power 5000K daylight spectrum along with red LEDs of 650Nm to 700Nm and blue LEDs of 450Nm to 480Nm Great for seed startup and indoor gardening Max absorption with absolutely no mercury Cool operation - will not hurt plants even when touching