Product Details: Size: 240mm(Caliber) * 345mm(Length) Sound cover: approx. 600M Power: 50W Max. Batteries: 8 x 1.5V(D cells, NOT included)Speaker with record, talk, whistle with shoulder belt Product Features: ● Large power and long sound transmission, the sound transmission distance is as far as 200...

Product Details: Size: 200cm(Caliber) * 330mm(Length) Sound cover: approx. 500M Power: 30W Max. Batteries: 6 x 1.5V(D cells, NOT included)Recording duration: ≥12S Product Features: ● Large power and long sound transmission, the sound transmission distance is as far as 500 meters● The voice is clear...

Product Details: Size: 135mm(Caliber) * 220mm (Length) Sound: 108dB, 8-20 hrs Continuity Rechargeable Battery: 18650 Li-ion, 3.7V 1200mAh(included)Recording duration: 25s/60s/180s/330s/350sWeight:0.46KGFolding handle Product Features: ● Large power and long sound transmission● The voice is clear and loud● Suitable for on-site command work such as outdoor activities, sports...