Adjustable Volume Three-Pitch Decibel Electronic Whistle

Product information:
Name: Electronic whistle
Model: XT-7DS3
Color classification: red, black, yellow, gray, blue
Product size: 117.6*38*38.5 (mm)
Net weight: 100g
Packing: foreign trade color box
List: Electronic whistle X1, storage bag X1, lanyard X1. Manual X1. AAA1.5V (No. 7 battery) x3
Uses. Sports competitions (outdoors, sports events), emergencies (lifesaving), public places to organize gatherings warning command, traffic command,
Military training, pet training, etc.