to 30 percent can easily be converted into air-cooled with optional fittings each ... and measures a peak wavelength of 560 nm meter is splashproof with auto shut-off ... 31/2-ft cord connects sensor to meter one 9v ... with other system controls simply plug into a 115vac 15-amp outlet and it will ... located on the front ship weight 4.5 lbs ct2 net pots recommended coverage area ... for metal halide or sodium lamps 250 watts 400/430 watts 600 watts 1,000 ... seedlings and cuttings and fit nicely into 2 net pots seedling trays or directly ... into a growing media cubes are 11/2 square ...