The price includes:Juwel Vision 180 aquarium with stand built-in light LED dimming strip controlled via PC and remote controlOase Biomaster Thermo 350 external filter with heater and refills: Seachem matrix and purigen 2x, Eheim substrate pro, SiporaxCO2 set 2l set with timer atomizer Sera CO2 reactor (also stainless steel CO2 diffuser unused)The Aqua computer (Arduino) can do this: It gradually strengthens and darkens the led strip before turning on and off the main light in any length and level e.g. weak night light (imitates moonlight - nice night atmosphere) / Cools the aquarium if necessary (temperature probe fans) / measures the temperature of the aquarium / Fertilizes with liquid fertilizer with adjustment doses (two pumps macro micro independently, I don't use them now)Bottom of the aquarium - black gravel fraction 3mm Dennerle Deponit Mix Professional 9 in 1I am donating fish: Community aqua = neon fish approx. 20 pcs., 4 pcs. Yellow Neon more than 50 pcsAutomatic feeder, Skimmer, AquaEl Circulator 1500 two smaller spray ramps, Eheim Aquaball 130l, Eheim heater, brushes for cleaning hoses and Lily pipes, of course Tetra GC40 drainer with a long hose for draining and filling water directly from the water. batteries, and a lot of other accessories... Simply, if you don't have anything for the aquarium at all, after buying this set, you will have absolutely everything and more than necessary :-)Just a set.Please contact only serious interested parties.The original price of tech. equipment (without necessary small items) is around €1,200.Only personal collection.