1.Electromagnetic vibration prompts 2.lighter dv, hidden camera 3.recording video,Photograph,Webcam,USB flash hidden camera/lighter dv Q8-Lighter DVR - shocked the ... need to do is remove the top, and slide the hidden switch. By switching the transfer mode key left or right, you ... you press the button, it will take a photo.The hidden camera will also record sound! The audio and video are both ...