Outer Body Is Made Of Mild Steel Powder Coated. Inside Chamber Is Made Of Aluminium Extra Thick Insulation Effectively Reduces Loss Of Cold Air. Fitted With Microprocessor Based Digital Indicator - Cum - Controller With PT -100 Senser. Inside Temperature - 20 C. Cooling Coils Are Placed Between Foamed -In - Plac PUF Insulated And Inner Side Of Aluminium Chamber Eliminating Any Chances Of Frost Formation On The Evaporator Which Lead To Choking Of Compressor Condensing Unit. Eco-Friendly Compressor With CFC - FREE Refrigerant. Audio Visual Alarm For The Temperature Deviation From The Present Temperature. Power Supply: 220V 50Hz, Single Phase. Size Inside Chamber 6 Cft, 171 Liter. Works On 220 V AC.