Features: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.Easy to use, you just need to download the Thermal Viewer software on the mobile phone, then insert the thermal imager into your phone and the Thermal Viewer software will be opened automatically.If your phone does't have USB Type C interface, please use ori-ginal adapter for conversion, the product contains an adapter.Made of fine quality materials, practical and has a long service life.There is a small storage box that can protect the thermal imager for easy storage.Function: center point temperature display, point temperature measurement, imagesfusion, mirroring, temperature unit setting, palette setting, face detection On/Off, taking photo, video recording, picture/video viewing.