Mechanical temperature control High COP compressor&Non-CFC refrigerant Front air blowing design to prevent glass condensation Fan cooling Ventilated free maintanance condenser Adjustable shelves Tempered glass door & Low-E glass optional Al alloy or plastic door frame for choosing Interior LED lighting on side Illuminated canopy Hips interior liner Recessed handle Lock&key 4 adjustable feet, Caster(with brake) optional Digital temperature display optional Self-closing door optional