KS014 Dual Tube Outdoor Survival Referee Training High Frequency Whistle, Color: Sandblast Magnifier & Microscope How to Use

How to Use

1 x RJ45 network cable

- Focus Mode: Manual

screw washer* 2

Thin and light design

KS014 Dual Tube Outdoor Survival Referee Training High Frequency Whistle, Color: Sandblast Magnifier & Microscope How to Use1. Double tube burst sound design, high frequency penetration, up to 120 dB, wide range of coverage 2. One piece molding, no ball design, with water dust can also blow loud 3. Titanium alloy material, waterproof and corrosion resistant, beautiful and textured 4. Top with hole design, can wear a lanyard keychain, lightweight and portable 5. Exquisite rounded corners, comfortable to the touch 6. Applicable scenes: outdoor distress, warning, training,