Source:new KOREA LG 1.5HP GENCOOL daul Inverter Split Unit Air Conditioner/percent full copper compressor, capacity:1.5hp dual inverter split unit ac/muilti-stage tropical compressor/big engine/lvs(low voltage starterbility)auto restart/auto clean/energy safe filter/anti-bacteria filter/easy installation/automatic voltage switcher/supper ars/powerful compressor/in-build ars/spl 1hp gencool-b,lvs,hvs,r410 gas,can work on 0.7kva gen, copper condenser,10years warranty on compressor,lg product is a very good product you can trust/with two years warranty/we also do home and office delivery to your door step