This product can be used for HVAC, building heat difference detection equipment troubleshooting, preventive and predictive maintenance etc. Thermal imaging can be used day and night, as long as the object (thermal energy) emits infrared light, it can receive images within a certain distance. Function: center point temperature display, point temperature measurement, image fusion, mirroring, temperature unit setting, palette setting, face detection On/Off, taking photo, video recording, picture/video viewing.The item "Infrared Thermal Camera Mobile Phone Imager Video Face Detection Imaging Type C" is in sale since Thursday, February 13, 2020. This item is in the category "Business & Industrial\Test, Measurement & Inspection\Cameras & Imaging\Infrared & Thermal Imaging". The seller is "mtrxmtrx" and is located in Hong Kong. This item can be shipped worldwide.