Specifications:
1. 3 Color Light Alert
2. 32 sets of memory
3. Convenient to use
4. High-Temperature Warning
5. Infrared Measurement
6. Advance Sensor Technology
7. 1 Second Measuring Time
8. Required 2x AAA Battery to operate
9. Accurate Temperature Measurement
TIPS to Calibrate Thermometer
A. hold the set button 3-4 seconds until u see F-1
B. F-1 should show 0.0. If it is not 0.0, please press the down arrow button 40-50 times until you see 9.9 (it might take a while)
C. After u see 9.9, keep clicking the down arrow button until u see 0.0
D. Press the set button 5 times to reset the machine.