说明

• Applicable: 1 Seeking help and caution - compatible for outside exploration, women, lonely hikers, children, and maritime rescue 2 Warning, Command - Traffic Police, Security, Vehicle Dispatch Management, and so on three Outdoor communique - (traveling together, one consumer consistent with person, pre coding the flute sound, and then allowing for long-distance communication), suitable for out of doors sports four Competitive competitions - suitable for different sports activities competitions for referees five Other uses that may be utilized independently Features: sturdy and durable, twin tone sound, unique and loud sound The quantity of your lung is as excessive as your lung means The striking rope type has high strength, is easy to carry, avoids loss, and may be inserted into other items reminiscent of keys

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审核