I have bought the action camera some time ago and now decided to write something about it.
Sadly, but I can say nothing good about SJ 2000. I am completelly disappointed, let me explain why.
SJ 2000 - specification
170A+ HD wide‐angle lens
Video Resolution: 1920*1080 @ 30fps or 1280*720 @ 60 fps
Video format: MOV
Meory card: Micro SD up to 32mb
Buttery: 5V 1100ma (2-3 hours of recording)
See more: here
SJ 2000 - package
SJ 2000 comes in a very modes box, which even doesn't contain its name.
Inside the box you will find a mount for bicycle or motorcycle, a mount for head, a mount for hand and some bad quality glue. All of the accessories except motocycle mount feel cheap and frail in hands.
SJ 2000 - the camera itself
The camera itself is made with solid metal and feels good in hands. They claim that it is water resistant up to 30 meters. Both of the front and rear covers are removable. You will find battery, memory card slot, mini usb 2.0 port and mode switcher under the rear cover.
All of these seem to be very standard for a cheap action camera, nothing specially good or bad.
Okay, its time to talk about the video/audio quality, which is the main aspect of any action camera. SJ 2000 can't pass any criticisms, the video quality is terrible. No matter how shiny the weather is, the videos are still dark. There is no stabilization at all, any movement and video "dances" everywhere, not smooth at all. The audio quality is even worse, nice sound of my fz6n being recorded like a shitty squeal.
The camera shuts down by itself if you shake it hard, and this makes it impossible to be used while riding on hilly roads. The helmet glue mount is really frail, and the GoPro mounts don't fit, so I can't find any way to mount the camera onto my helmet. I have a little hole on top of my helmet and I tried to screw the mount in it, but in this position the camera captures a piece of road next to the front wheel.
Another bad feature is timestamp, you cannot disable it. I contacted the official seller in China and they said that I can only change date, but not disable it. Here is a video sample of what you can get with SJ 2000.
All of these make SJ 2000 be useless and now it lies in one of my boxes catching more and more dust.
My rating for SJ 2000 is 2 out of 5.