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
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
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