1 camera, 1~2 lenses, cables, small accessories; for example, Sony A7 kit (24-70mm), Sony A6400 kit (18-135mm), Nikon Z50 kit (16-50mm f/3.5-6.3, 50-250mm f/4.5-6.3), Fujifilm X-A7 kit (15-45mm), Fujifilm X-T20 kit (XC 15-45mm), Canon EOS M200 kit (EF-M 15-45mm), Canon EOS R5 kit (RF 100-500mm); power bank, ipad mini, data cable, mobile phone, etc. Lens that can be installed: diameter ≤12cm, height ≤26cm 

Yes, our underwater camera for snorkeling supports instant playback of videos directly on the device, and you can also upload videos to a PC for viewing. 

Hello, please check if the rear camera is fully inserted into the dash cam main body. 

Yes, please watch this video https://youtu.be/UU4sKfzW_uQ. 

With this filter, I can reduce my shutter speed, even with a sunny day, so in my photos I get a blur motion background. Same thing with video, you can reduce the shutter speed so you will get more motion blur. It you consider for portrait, this filter don’t add blur background. For that you need a 2.8 or faster lens. I hope this help