UNIWA Electronic Whistle, 4 Pack Handheld Electronic Whistles Electric Whistle with Lanyard Three Tone Distinct High Volume Outdoor Sport Whistle for Coaches, Referees, P.E. Teacher

【125±5 High-Volume Electric Whistle】Purchase UNIWA 4 pack electronic whistle at one time to meet the massive needs of referees, coaches, teachers and officials.The handle electronic whistle gets rid of the traditional way of blowing a whistle with your mouth, and meanwhile provides a loud, clear, strong and easily recognisable sound.It will be more hygienic and convenient among all sports events, company activity, school game or other training etc.

【Affordable Package & No Blow Electronic Whistle】A set of matching 4 colours - black, red, blue and yellow, easy to distinguish use. Compared with a traditional whistle, the electronic whistle can avoid mouth contact and keep you safe, you just need to press the sound button, then it will make a loud sound for you. One button switch can create 120±5dB volume, it will be more hygienic and convenient among all sports events, company activities, school games or other training, etc.

【Adjustable 3 Different Tone Whistle】Electronic whistle can avoid mouth contact. Three different tones personalized whistles for your choice, you can choose the best sound for your demand. It must be a great high volume electronic whistle for P.E. teachers, basketball coaches referees, outdoor camping, dog training, hiking lifeguard SOS survival emergency.

【Durable and High-Quality】Electronic emergency whistles are made of superior-high-quality ABS, we will use this electronic whistle outdoors, so it is necessary to have a crack-resistant and fall-resistant shell. It has a streamlined appearance, are compact in size, are crack resistant and fall resistant. It also comes with 4 Cr2032 lithium batteries to ensure you can use it outdoors for a long time. If the sound becomes abnormal, please replace the battery.

【Easy to Use & Carry with You】The hand whistle has the perfect size:5.4''×1.5'', suitable for pockets and backpacks. It is also equipped with a 46'' lanyard, which can be easily looped through your backpack or hung on your wrist and neck. Suitable for all kinds of indoor and outdoor sports training: diving, basketball, volleyball, hockey and more.