((link)) - Rim4k.

It has the basics. The G-Sensor is sensitive enough to lock a file if you hit a pothole, but not so sensitive that it fills up your card every time you close the door.

Let’s start with the obvious. Most RIM4K devices retail for between $40 and $70. That is significantly cheaper than a Thinkware or BlackVue (which often run $200+). rim4k.