The First Years - American Red Cross Sanitary Slide Thermometer. Many parents know the importance of keeping a thermometer clean but often times misplace the thermometer"s probe cover. To solve this problem, The First Years has created the American Red Cross Sanitary Slide Thermometer. Complete with a digital display screen, this oral-use thermometer includes a retractable thermometer probe, eliminating the need for a probe cover. With the simple slide of a button, the probe slides out to take baby"s temperature in approximately eight seconds. Then when finished, mom can retract the probe for easy, sanitary storage.