Drone for safe driving by SHM from korea

Drone for safe driving
1. Used as a recording device driving
2.Emergency situations
Of the car's road encountered a problem and need to be stopped temporarily it you are driving from the rear to the driver back on the road this week to alert you to situation 100m, more than 200m away at night a tripod mandatory vehicle safety should be installed. per hour, as well as road 100km/h on the highway driving than drivers are pulling over directly oncoming traffic laser safety tripod and to prevent accidents. I wireless security by using a Drone, conveniently and safely coming back to drivers in the currnet situation can inform.