400V Grow Lamps are the next generation of HID lights and output around 10% more usable light than standard 240v grow lamps, that are currently in use.
They require a different ballast to power them - we currently sell the Lumatek 400v ballast for these lamps. You can dim these lamps in the same way as you would a normal 240v lamp, the main difference is just the enhanced PAR output.
As per other Sunmaster Dual Spectrum lamps the 400v is fully compatible with your existing fittings (E40). The Sunmaster Dual Spectrum lamp delivers improved blue and red light to your plants at the crucial stages of their development.
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