The Genesis Hova-Bator is pre-set for bird eggs. Simply plug it in, then add water and eggs. Nothing to set up or adjust. This circulated air Hova-Bator comes with a thermometer, plastic bottom liner, and is pre-set to 99. F (38 C). Being digital and pre-set, this incubator delivers consistently good hatches. -Excellent for classrooms, novices, and experts. 12 Volt system is safe. -Although it is pre-set to 99 F, the thermostat can be adjusted. The 1588 can be set as low as 80 F. for use with reptiles. -Soft-Air fan technology provides needed oxygen and refreshes air without forcing air directly on the eggs. -Includes a 12V DC power converter for 220/240V AC, Plugs into a standard NZ 3 pin power socket or can be connected to a 12volt battery Using the supplied battery clips. -The incubator will hold 50 large duck or chicken eggs or 140 quail eggs. -Includes thermometer, liner and instructions. -AUTOMATIC TURNER SOLD SEPARATELY (Note only 220/240 Volt egg turner not 12volt)