When using the environment changed suddenly, please put the infrared thermometer in the environment for 30 minutes. After the inside and outside temperature of the thermometer inconsistent,  then you can begin to test it.
Do not let the infrared thermometer close to a hot object or put it on the surface of hot object.
Please keep the infrared thermometer clean, and do not let dust get into Lens barrel.

Measurement method

Non-contact temperature measurement:

When you need to make temperature measurement, you need to make the infrared thermometer aim at a measured object, at 1-5cm from the object, pressing the trigger and do not loose. After the LCD display the result stable, then you can let go of the trigger.

Specification

Display	LCD Display
Response spectrum	8~14um
Response time	1-2sec
Auto-off	15s
Working temperature	10~40 degree
Measuring range	32°C ~42°C
Resolution	0.1°C
Accuracy	±0.2(if using temperature within 23±3°C) ±0.4(if using temperature out of 23±3°C)

Packing List:

1 X Thermometer

1 X Box

1 X English user guide

(2X 1.5 AAA battery not included)