Compact photometer PF-3 Soil incl. test kits VISOCOLOR ECO Ammonium 3, Potassium, Nitrate, Phosphate with calibration cuvette, 4 empty tubes, beaker, 5 mL syringe, 3 batteries, manual, booklet “VISOCOLOR ECO Test instructions for compact photometer PF-3” and certificate, in rugged case