Это PATENT: USA. FUNCTION: GLASS KNOCKING, SEAT BELT CUTTING, LIGHTING IN DARK AREA FOR HELP. KEEP YOU SAFE IN CAR ACCIDENT, EMERGENT TO KNOCK WINDOW IN FIRE BUILDING.
Patent: USA, Germany, Taiwan, China. Function: Glass Knocking, Seat Belt Cutting, Lighting in dark area for Help, Whistle for drawing attention. Feature: Keep you safe in car accident, emergently kno