Three measurement mode : Adult / Children / Surface One Touch Measurement Fast and accurate results in one second Memory stores up to 30 readings for easy recall High-Temperature Alarm with Red Back-light Temperature is given in Fahrenheit or Celsius Backordered until December 2020. Use this non-contact Fora IR42 Medical Grade Infrared Forehead Thermometer to get fast and accurate results in one second. This forehead thermometer features: Three measurement mode : Adult / Children / Surface One Touch Measurement: Fast and accurate results in one second Data Storage: Memory stores up to 30 readings for easy recall Fever Indicator: High-Temperature Alarm with Red Back-light Temperature is given in Fahrenheit or Celsius Battery is not included Specifications Model IR42 Length 6.12 inches Width 1.58 inches Height 1.55 inches Temperature Unit °F (Default) or °C Displayed Temperature Range 89.6 - 109.4°F / 32 - 43°C Display Resolution 0.1°F / 0.1°C Memory Capacity 30 measurements Power Source 2 x 1.5V AAA Alkaline Batteries Product Type Forehead Thermometer