This symphony air cooler is ideal for single room. Very small in size but powerful. Its power consumption is 170watts and operating voltage is 230v. It is a 12ltr model which I have brought from amazon. It’s small size with rotating wheels make it space efficient. Its cooling distance is 6-7 feets sufficient for a single room and 2 persons. It creates less noise while running. Its tank size is 12 litres. Its other features are mosquito and dustnet, auto louver movement, multi-derectional castor wheels, works on inverter, ice chamber. Overall I loved this product very much.