Legend electronic whistle The Legend electronic whistle is chosen by different users. The one-handed model has 3-step adjustment of the sound level and type. The whistle can be used without touching your mouth. Three, electronic types of signals with constant intensity. Three individual types of the whistle signal make it easier for players and users to distinguish the sound between the official ones and the whistle, referee signal or training. The sound of the whistle can be sent in different directions at the same time. Technical data:· The set contains: 1 electronic whistle with string, cover, 4 x bat series 2032· Whistle dimensions: 138 x 38.5 x 33.5 mm· Volume up to 120 /-5 dB (volume adjustment 3 levels)· Manufacturer code: P900A· Type: ballless· Material: plastic