Solar Freezer system is designed with DC12V/24V input working system. The freezer has a DC compressor, which can be powered by solar directly without any inverter. The system working efficiency is higher. ---Cooling performance:-18℃ at 30℃ ---Automatically turn off when low input voltage to protect product ---With single top door and door lock ---Environment-friendly refrigerant R134a ---Can be powered by an AC/DC adaptor