The Digital electronic ballast specially designed for Hydroponics/Greenhouse/street/commercial lighting.
KeyWords:Ballast MH/HPS HID Electronic ballast Metal halide
product description the distance of a sort of hand holding laser range finder with double tube telescope can reach 7.5 km, p
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features: all the body made by metal.top-mounted optical peep sight for quick reference. improved wire-hung and air-damping co
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