8 IN 1 FUNCTIONS8 major functions with herbal, birds nest, gelatin, instant birds nest, porridge, water boil, scented tea, tremella, one bottle with multiple use. It is programmable and easy to operate. 4 RANGE WARMING FUNCTION AVALIABLEReal-time temperature display. 8H automatic warming with manual warming, you can choose the keep the food and drink in the proper temperature in range of 104/113/122/131-185(40 /45 /50/55-85).