Feature:1. Break through the traditional way of blowing the whistle with the mouth.2. 3 kinds of sound effects, 3 volume options, 120 high decibel volume of choice for different occasions.3. Handheld, far increase the distance with the ears, greatly reducing the damage to the hearing!4. 3*AAA batteries (included), power lasting.5. Ideal for traffic command and lifesaving, military training, sports competitions and training, pigeon and pet training, etc.6. Specification:Large volume: 120+-5 decibels;Product size: 117.6*38*32.5mm;Battery: AAA*3 (included);Three sound effects options;Three volume options;Rope size: length: 115cm, diameter: 2.5mm;Material: plastic;Quantity: 1 pcsPackage List:1 pcs Professional Electronic Whistle Note:Due to the different monitor and light effect,the actual color maybe a slight different from the picture color.Please allow 2-3cm differs due to manual measurement .