* PG motor
* 5 working modes
* Unlimited fan speed, low noise
* Accurate and stable temperature control
* Accurate and stable auto fan
* Timer on / off, double sensors
* Prevent cold wind in heating mode
* Defrost automatically
* Pipe projection for higher temperature examine fault by itself
* Sleep function
* Updated receiver, good looking appearance, show intuitional
* Updated transformer, quick plug, easy for installation