说明

• Applicable: 1 Seeking help and warning - appropriate for outside exploration, women, lonely hikers, children, and maritime rescue 2 Warning, Command - Traffic Police, Security, Vehicle Dispatch Management, and many others three Outdoor verbal exchange - (traveling together, one user in keeping with person, pre coding the flute sound, after which making an allowance for long-distance communication), compatible for out of doors sports activities four Competitive competitions - appropriate for different sports competitions for referees 5 Other makes use of that may be utilized independently Features: sturdy and durable, dual tone sound, unique and loud sound The volume of your lung is as excessive as your lung skill The hanging rope kind has excessive strength, is easy to carry, avoids loss, and might be inserted into other goods corresponding to keys

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审核