User Manual
www.SereneLifeHome.com4
1. IR sensor: Used to measure temperature 
 on the forehead
2. Display Screen
3. Tone button: Turn ON/OFF the buzzer. 
 A tone icon is present in the display  
 screen when it’s on.
4. °C/°F switch button: Press and release 
 to switch between Fahrenheit and   
 Celsius. The default setting is Celsius 
 and a “°C” icon appears in the display 
 screen. A “°F” icon was shown while  
 Fahrenheit is used.
5. Mode switch button: Press and release 
 to switch between “Body temperature” 
 mode and ”Surface temperature”   
 mode. The” Body temp” icon appears.
6. When “Body temperature” mode is on.
 Backlight on/o button: Press and 
 release to turn on/o the backlight. 
 The previous status will be set as the 
 default setting. The icon will be shown 
 when the backlight is on.
7. Trigger: Pull and release to turn the 
 thermometer on when the device is o. 
 Press and release to measure.
8. Battery cover










