Digital infrared thermometer GP-300 Features  Temperature detection in 1 second Measurement distance: 1-15 cm Measurement in degrees celsius or fahrenheit LCD display shows temperature and is easy to read Display with backlight Battery life up to 7 days The product uses 2 AAA batteries ( not included ) Automatic standby after 30 seconds without detection Weight 176 grams NOTE: Colors and shapes may vary Standard RoHS     Measurement procedure Turn on Keep 1-15cm away from the forehead Press the trigger Screen shows temperature