Electronic Whistle, Battery Operated Whistle Adjustable 3 Different Loud Whistle Sounds with Lanyard Handheld Whistles for Referees Coaches Teacher Training/Camping (Red). Loudest 125±5dB. Whistle Loudness: 125±5dB.

Loudest 125±5dB. Whistle Loudness: 125±5dB. Sanitary & Easy to Use---Because this hand-operated whistle never makes with a user's mouth,and it can be used by multiple people. Hand-operated whistles make it easy to referee with just the press of a button!