Stainless steel (ss-304 L) tank.Heavy duty protective magnesium anode.Long life ISI approved heating element.Penta shield safety.5 star rated as per BEE standard.CFC free extra thick PUF insulation to save energy consumption by 40%.Preset thermal cutout.Capacities: 15ABS Body for rest proof and life long usage 2years warranty on product & years on inner Tank.