Features:
1. The unit will shut down automatically after 13 seconds of no use.
2. In forehead or ear mode.
If 32ºC ? T ? 37.5ºC (89.6ºF ? T ? 99.5ºF), the green light will be displayed, with one long beep.
If 37.6ºC ? T ? 38.0ºC (99.7 ° F? T?100.4 ° F), the orange light will be displayed with 6 short beeps, which is a warning that you may have low Temp.
If 38.1ºC ? T ? 42.9ºC (100.6 ° F? T?109.2 ° F),the red light will be displayed with 6 short beeps, which is a warning that you may have high Temp.
3. In object mode.
If 0ºC ? T? 100ºC (32.0ºF? T ? 199.0ºF), the white light will be displayed with one long beep.
4. When the thermometer is turned on, keep pressing the Measure button for 5 seconds, to switch from un-mute to mute.
5. Replace the battery.
Put two AAA batteries correctly into the compartment.
Remove the batteries if the thermometer will not be used for more than two months.