1. Start key/measurement key: Press the start key/measurement key "Di" to turn on the screen, the infrared thermometer forehead will turn on for 30 seconds.
Automatic shutdown without manipulation.
2 Setting key: After the infrared thermometer human is turned on, press the setting key to switch the body temperature/object temperature mode, and long-press the setting key to enter the setting mode.
3 "-" key and "+" key: View the memorized temperature measurement results, you can view the recorded 32 temperature measurement data.
Looking forward to your inquiry for this China OEM Non-contact Multi-function Digital Infrared Thermometer Manufacturer&Factory