Cycling alone can be a scary thing. Sure if someone sees you crash, they are hopefully going to contact help, but what if you are in the middle of no man’s land? Well this slim device that will mount as an aftermarket device onto any helmet. When paired with the ICEdot app on a smart phone, the system is able to detect motion, changes in forces and impacts. The incredible crash sensor will begin a countdown when it senses you crashed. If you do not stop the countdown, it will contact your emergency contacts and alert them of your exact GPS location via a low impact Bluetooth connected smartphone application.

Source: https://icedot.org/crash