This digital thermometer is best used to check the temperature of water at the group head of your espresso machine. It is not recommended for use in milk steaming. Features include: Waterproof, automatic shut off after 10 minutes, data hold locks reading on display, big digits, temperature guide on protective sheath, stainless steel stem, 5 year limited warranty. Battery & instructions included. Temperature Range: -40° to 350°F / -40° to 175°C