Electronic Whistle 3 3 Volume Blow Whistle with LED Light for Training Sports

Clean for Using: The electronic whistle can be used by pressing the button, no more oral contact and makes the whistle blowing clean and safe. Clear Whistling: Comes with 3 s and 3 volume s , the sports whistle can give out a strong and consistent sound of 120‑150dB. Wide Application: Widely applicable to all sports events, pet training, outdoor camping and hiking and other emergencies, useful and . Item Type: Electronic Whistle Material: ABS Battery: 1 x 6F22 battery, shipped without battery.