With the new technology of Refrigerant Leak Detector (RLD) the air conditioner gives an indication when the outdoor unit detects refrigerant leakage. The system is also produced with the tropical rainforest and hot zones as ours. This so why it has a low energy consumption panel and cost effective in it's purchase and installation.It's is a user friendly and also eco friendly functionality item built to meet your desire for serviceCopper CondenserSuper Cooling Gold FinWide Angel LouversEasy Cleaning PanelMulti Layer Air Purifying Technology.