Dual-Lens WiFi Action Camera / Security Camera D3 - 16MP, MicroSD, Speaker, Microphone - 4K A useful dual-lens WiFi camera can serve you excellently as an action camera but can also be of great use as a security camera if you need one at your home or office. It provides 4K resolution, creates fantastic pictures, records quality videos, and has a 170-degrees wide lens for a bigger perspective. To connect the camera with your device, install the FtyCamPro application.