With 4 Meter Copper Pipe Installation Warranty: 1 Year Indoor, 10 Year Outdoor, 1 Year Installation A++ Smart Thing, WIFI AI Cooling Fast Cooling, Wider Inlet and Wider Blade Digital Inverter Boost, Reduce Energy and noise by 73% Eco Mode and Good Sleep Mode Noise Level (Indoor, High/Low) 43 / 26 dBA SEER(W/W, Energy Label) 6.10 SCOP(W/W, Energy Label) 3.80 Low Ambient -15 / 46 c