Instant Tympanic Thermometer.

Features:

Features clinically-accurate, one-second readout in both Fahrenheit and Celcius on large, easy-to-read digital display.
Nite-Glo feature allows you to take readings while your child is sleeping.
Tone signal indicates peak temperature and fever alert sounds for temperatures above 100.4 ºF (38.0 ºC).
Memory recall of up to 10 measurements.
No probe cover required - simply place the probe end over the ear canal and operate with a single touch.
Compact design fits in the palm of your hand and shuts off automatically.
Includes: one Lithium battery, zippered storage case.
English/Spanish detailed guidebook.
Each.

Invacare Instant Ear Thermometer by ReliaMed Misc