Have the AK about 2 months. The videos and pictures are of high quality. In the night scenes Camera uses each quantum of light to show details. Matching Battery: Samsung SLB-10A. The advantages of JVC is also the immediate all weather functionality. Underwater shooting is of limited use. Sea water and rich in chlorine water in swimming is not a good prerequisite for an open housing. For this, I am going to recommend the Toshiba PA5150E-1C0K Camileo X-Sports Action Camera for 129. There is a waterproof case thereby. Compared with GoPro 3 is the JVC, if the the 200 gets a bargain of same Quallittät. The 1.5 "display is more or less for the settings and check whether the camera is turned on. The light of the Action diode, green / red, comes the day almost lost. The WLAN connection with an APP, Android, works well, but is only to control. The Quallittät is underwhelming. Actually I wanted to buy the Ricoh WG-M1, unfortunately, the FR 1920 is just over 60p JVC HD 1080 60p / 50p and the video Quallittät should not be so good at night and bad weather compared to JVC. With the sound I am also satisfied, the voices come clear. By housing form very handy. And faster to use than a cell phone or a camera.