1.Strong warning lights
-Used when a car is broken 
-The visible distance as long as 1000M
-The device with a magnetic base can be attached
firmly to the top of the car;
-While doing field sports, use it to warn or to ask for help.
2.Big power bank for your smart phones,tablets,MP3, MP4,
GPS, camera etc
3.A life hammer
4.A sharp knife
5.Emergency lights
6.A flashlight