ចម្លើយ

ថ្ងៃទី 07 ខែមីនា ឆ្នាំ 2025 - ម៉ោង 02:05 ព្រឹក
It is suggested that the person to be detected stands at a distance of 1 meter to 1.5 meters from the S409. This distance allows for optimal ការរកឃើញសីតុណ្ហភាព and accuracy. Standing too close or too far from the device may affect the accuracy of the temperature measurement.
បន្ថែមមតិយោបល់ថ្មី។