Nirvisa Whistle Disaster Prevention Whistle Disaster Loud Emergency Modern Design Mud Black

Disaster prevention whistle (length 6.2cm, width 1.3cm, height 1cm) Designed to be portable on a daily basis The matte black color and aluminum body design make it suitable for everyday use. 120db Loud Volume The 120db volume is useful for disasters, crime prevention, emergencies, etc. Please watch the video to hear the actual tone and volume. Compact whistle. It's about the size of your little finger and weighs only 10g. You can carry it around without getting in the way when you go out. Disaster prevention whistle (length 6.2cm, width 1.3cm, height 1cm)