Electronic Ballast, Grow Light, HID Ballast manufacturer / supplier in China, offering Green Plastic Coated Plant Stake, 6 Layer/8 Layer Dry Net, 600d/300d/210d Grow Tent and so on.
It is the last photo.
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The inner electronic parts were made in South Korea, reflector made in German, lampholder made of ceramic.
It can be connected with Gavita controler.