This app can add non-forged date, time, location and GPS watermark on photo and video. By getting the current time from the network, the photo and video will still have a watermark of true time even if the user changes the time of the phone. This app can be used in a variety of occasions which need true time and location, such as the work report of the construction site , traffic accident scene, goods transfer, private detective work, evidence of borrowing items and so on. The main features: •