Material: Plastic + metal.
life-saving hammer / safety hammer: break the glass and escape in.
cutting knife: hook-shaped embedded blade, cut the seat belts to escape in.
flashlight: located in the front of the handle, a separate switch, can provide continuous lighting.
Warning light: located in the handle parts, with separate switch, flashing red (or red and blue alternately) warning light, availability of magnetic head on top of his car, alarm function. The light works for 200m distance.