Ear thermometer ET-100B is a device capable of achieving infra-red temperature measurement when place in the auditory canel of a subject. it's a safe means of measuring human body temperature through the ear.  This product adopts EN12470-5:2003 Clinical thermemeters -- part 5: performance of infra-red ear thermometer (with maxium device). This product also comply with the requirements of IEC 60601-1:1009, and IEC 60601-1-2:2001.

Range of display temperature: 34℃ ~ 44℃ (93.2°F ~ 111.2°F)
Display L ℃ or L °F when the temperature is under 34℃ (93.2°F)
Display H ℃ or H °F when the temperature is over 44℃ (112.2°F)

Operating ambient
Temperature: 16℃ ~ 35℃ (60.8°F ~ 95.0°F )
Humidity:  ≤80%RH

Storage and transport condition:
Temperature: -10℃ to 55℃ (14°F to 131°F )
Humidity: 30% RH to 90% RH

Display resolution temperature range: 0.1℃ (0.1°F)

Accuracy: ±0.2℃ (from 35.5℃ to 42.0℃ or ±0.4°F (from 96.0°F to 107.6°F)

Display: liquid crystal display, 4 digits
Temperature value: display the maximium temperature in measuring process
Temperature unit: centigree or farenheit
Display of memory: last 10 memories
Low voltage warning: the LCD will display battery icon and sound a beep

Power consumption: 0.5 mW in measurement mode

Battery: one 3V lithium battery(CR2032)

Battery life: 2500 takes

Dimension: 110*35*35mm

Net weight: 80g

Beeper sign: on/off, measuring finish and low voltage warning, etc.

Self-testing sequence: Press the "on/recall" button to turn on the thermometer and all of symbol will be displayed on the LCD in one second.