Installation includes up to 3 metres of copperLatest R32 gas so it is much more environmentally friendly.Control your Air conditioner using the Wi-Fi Smart Control App from your smartphone. (Optional) Cold Catalyst filter + Silverion + Activated carbon.Sound pressure reduction (-5 dB).Low temperature operation -15ºC.GMCC compressor (TOSHIBA & Midea).Heat Pump Function from + 8ºC.Golden Fin coating. I want it