ViparSpectra P1000 100W Infrared Full Spectrum LED Grow LightDescription New Diode Layout: The model features a more scientific LM301B diode distribution that ensures a uniform PAR map and deeper canopy penetration. This maximizes plant yields efficiently. Daisy Chain Feature: This impressive feature allows for the connection of up to 20pcs P1000 grow lights. This is done to facilitate commercial growing, horizontal and vertical farming, greenhouse planting, and hydroponics. Dimmer Function: This model comes