Mercylion DASH CAM APP is a mobile app used in conjunction with the hardware equipment of the hidden DASH CAM. This APP software can perform the following operations through 4G/WIFI connection to the hidden DASH CAM hardware equipment: 1. Mobile phones can view recorded videos in real time, play back videos, and download videos. 2 Take photos with mobile phones. 3 Recording switch setting. This APP software realizes the intelligent interconnection of people and vehicles, and brings new enjoyment to driving and driving cars.