Niigata Seiki (NSK) Electronic Whistle, High Volume 130dB, 3 Volume Levels/3 Tones, Compact, Battery Operated, for Sports, Referees, Mountaineering, D

This electronic whistle boasts a high volume of up to 130dB.

It's hygienic as it doesn't require touching your mouth. It can be shared by multiple people, such as sports referees and coaches.

Simply press the button to send an SOS signal without blowing, making it useful for pest control.

Three volume and sound types are available to suit different situations.

Convenient battery operation means you don't have to worry about battery life.

Volume (dB): 115, 120, 125 (3 levels) Power supply: 3 x AAA alkaline batteries (not included) Battery life: 2 hours of continuous use, approximately 2000 uses (calculated at 3 seconds per use). Volume decreases as battery level decreases. Body size (mm): 120 x 33 x 33 / Body weight (g): 50 Body material: ABS