Hot air sterilizer generally involves placing an item to be sterilized inside an oven or heat chamber, and heating it until it is warmed all the way through. The maximum temperature of our NV-210 is 200 Celsius degree,this device is widely used in hospitals , chemical,etc. It is also suitable to hair-beauty instruments & small articles such as glass, metal vessel, beauty tools etc. This item could heat up to 200 cellius degress. The first advantage of using it is metal tools and instruments will not rust, allowing these tools to last much longer. This process usually kills infectious organisms. It is suitable for use by Home Users & in beauty salons and Dental Clinic..syi