Main Features: 
-   DM300 gun thermometer
-   Infrared detecting technology, non-contact, safer and healthier  
-   Auto power-off  after 15 seconds idle time, energy saving and environmental protection
- Temperature unit conversion function - Deg.C / Deg.F
-   0.5 seconds rapid measurement  
- Powered by 2 x 1.5 AAA battery ( not included )
- With   buzzer on / off  function and the alarm point is settable
- Automatically remember the latest 32 groups measurement data
- Perfect for your families, especially for your kids

Specifications: 
Measure mode: Body temperature and surface temperature  
- Measurement range:  
• Body temperature mode: 32 - 42.5 Deg.C
• Object temperature mode: 0 - 100 Deg.C
- Measuring accuracy
• 0 - 31.9 Deg.C: ± 2.0 Deg.C
• 32.0 - 35 Deg.C: ± 0.3 Deg.C
• 35.1 - 39.0 Deg.C: ± 0.2 Deg.C
• 39.1 - 42.9 Deg.C: ± 0.3 Deg.C
• 43.0 - 100 Deg.C: ± 2.0 Deg.C
- Measuring time: 0.5 seconds
- Sensing distance: 5 - 8cm
- Display accuracy: 0.1 Deg.C
- Resolution: ±0.1 Deg.C

Instructions: 
Function buttons
- Power button
• Detecting and power on functions
- Body / Object: Mode conversion
• Press the MODE button to convert the body temperature mode / surface mode
- Set / + / -
• Power on the thermometer, press the Set button for 2 seconds, LCD will display F1 ( temperature unit conversion ) - F2 ( temperature alarm setting ) - F3 ( temperature excursion setting ) - F4 ( on / off buzzer ), and press the + / - button to adjust the setting