-Smart Control for Defrosting -Intelligent Cooling control -NTC Control Sensors -Touch Keys -Whiteness and Brightness screen LED -Child Lock and Key Lock Function -Professional Installing -Digital Cutting -Strong Noise Filters -Trouble-Shooting and Showing Error Codes -Service Functions -Temperature Protection -Voltage Protaction -Switching Power Supply -Source Voltage AC 220-230 50/60Hz -Dc/Ac Fan