Yukee Electronic Whistle for Coaches Teachers Referees, 3 Tone Adjustable High Volume Hand Held Push Button Electric Whistles with Lanyard, Electronic Battery Whistle Volleyball Soccer Sports Whistle

【No Blow Electronic Whistle】Compared with traditional whistles with Lanyard, electronic whistle for teachers referee coach is best choice in special period. It gets rid of blowing whistle with mouth and keep you safe, easy to produce loud clear consistent 120-150DB sounds every time.

【3 Volume & Tone Electronic Whistles】High volume electronic whistle comes with 3 tone for your selection, adjust the volume & tone that best meets your needs, handheld electric whistles with Lanyard are a great gift for teachers, referees, coaches. Suitable for all sporting events, pet training, outdoor camping, hiking, and emergency situations.

【Superior Durable Electric Whistle】Electronic emergency whistles are made of high-quality ABS, with a streamlined appearance, compact size, crack-resistant, and fall-resistant. The electronic coach whistle comes with 4PCS CR2032 batteries, if the sound becomes abnormal, please replace the battery first.

【Easy to Use & Carry Electronic Whistle】Very easy to use electronic referee whistle, select the desired volume & tone, press the button to make loud consistent sounds. Electric whistle emergency has a compact size of 5.35in×1.57in, comes with a 46'' long lanyard for hanging on wrist and neck or tying on a backpack, and a drawstring pouch for storing and protecting the whistles.

【Hygienic Multi-Function Electric Whistle】Electric whistle doesn't need to be blown with the mouth, so it can be used by multiple people and reused many times. It's more sanitary and convenient than traditional whistles with Lanyard. The electronic whistle could be used as a sports whistle to referee and coach basketball, football, soccer, and hockey competitions, or as a pet whistle to train pigeons, cats, and dogs, or as an outdoor camping, hiking, emergency whistle.