Care for Your Family Health Shut Off Automatically After 30 Seconds of Non-use. Switch Between Fahrenheit to Celsius (F to C). The product life is 5 years. Volume on or off Easy to carry Suitable for the whole family. NOTES: Do not use abrasive cleaners. Do not use other non-recommended methods to disinfect. This thermometer is not waterproof and should not be submerged to clean.