Nokotech Compact Pro 820w LED Grow Light is a compact model that delivers incredible power. It is an excellent choice to replace 1:1 HPS with a PPF of 2000 mmol/s and 2.5mmol/j efficacy. Because of their longevity, efficiency and low heat, horticulture LED lights have become the preferred choice among growers. Nokotech has a variety of LED grow lights that can be used by both home- and commercial growers. COMPACT Pro-820 LED grow light with full spectrum is the best choice as a 1:1 replacement for HPS. It seamlessly integrates into existing 1000W HPS designs. This fixture emits heat more than ordinary LED grow light, so it is ideal for areas that are cold to control the temperature of the grow area. CONNECTIVITY & CONTROL A COMPACT Pro820 can be connected to a daisy chain using RJ ports and an 0-10V controller. It's possible for up to 80 fixtures to be connected to one chain. The majority of 0-10V controllers can handle two chains. The Nokotech smart controller is recommended. COMPACT SIZE AND POWER The uniqueness of this model is its small dimensions and the amount it produces. It is the best choice for HPS replacement. COMPACT Pro820's installation is simple - simply plug and play. The Pro820 fixture has a beam angle of 120 degrees and will produce more than 700 PPFDs (parallel to the PAR light intensity) across plants when they are 90cm (35in tall) from the canopy. Indoor use is only possible with climate-controlled indoor grow areas and indoor farms. These fixtures have a full-spectrum output that can be used for all horticulture stages, including propagation and cloning through to the vegetative and flowering phases. COMPACT Pro fixtures use high-quality, very efficient Seoul 5050 6500k white (and San'an 500 nm blue (and Osram 660nm red) diodes. This creates a balanced full-spectrum light that is best suited for photosynthesis. Includes all of the following: LED LIGHT FIREPLACE AC POWER CORD 1 Unit 1 piece (3m / 10ft)RJ CABLE 1 piece 'V' HANGER 1 piece Specifications INPUT POWER 820W INPUT VOLTAGE 220-240V DIMMING Variable voltage from 0-10V or knob MAXPF 2000 mmol/s EFFICACY 2.25 mmol/j MAX AMBIENT TEMPERATURE 40 deg C/104 deg F BEAM ANGLE 120 deg LED CHIPS Seoul (white), San'an(blue) and Osram/red Specifications DIMENSIONS L. W.H 740x340x90 mm/29 x 13.5x3.5in GROSS WEIGHT 16.5 kg / 36 lbs NET WEIGHT 14.5kg / 31.9lbs WARRANTY 5-years