This digital thermometer records body temperature rectally, orally, or under-the-arm in approximately 60 seconds, and features a beeper to notify user when peak temperature is reached. Additional conveniences include: easy-to-read 4-digit display in 1/10 degree increments, and auto shut-off after 10 minutes. Operates on a 3yr/200 hr. lightweight battery (included). Comes with 5 probe covers.