Adjustable Thermostat: From 33.8 F to 46.4 F (1 C to 8C) , there are 5 variable temperature settings can be manually switched between as per your needs. (Optimum temperature range for perishable food storage is 37 to 41 F (3 to 5 C)). The temperature of freezer is affected by the coolers temperature settings. Choosing the most favourable temperature setting to keep the food fresh while save on electricity bills.