Electronic Whistle With Handheld Survival Whistle Electric Whist

You Can Choose The Sound That Best Suits Your Needs To Make Better Use Of The Electronic Whistles.2.Durable: The Electronic Whistles Made Of High Quality Abs Material Are Durable And Sturdy, Non-Toxic, Tasteless And No Harm To You. You Can Use It For A Long Time With Confidence. 
Note: This Battery Is Not Rechargeable.3.Easy To Use, One-Button Operation It Is Not Too Big, Fits Strongly In The Hand, Can Also Disappear In The Training Jacket Pocket, You Need To Check Where The Whistle Button Is Located.4.Wide Application Electronic Whistle Suitable For Referees, Trainers, Teachers, Ball Games And Boating, Running, Animal Training, Camping And Other Outdoor Activities.5.Hand Whistle With LanyardComes With Removable Hand Strap Lanyard. Small And Easy To Carry.