Electronic Police Siren CJB-F, Tones: 7 tones, Power available: 100w, 150w, 200w, 300w, 400w, 600w, 800w. Electronic Police Siren CJB-F Item No:CJB-F Voltage:12V Power:100w, 150w, 200w, 300w, 400w, 600w, 800w. Description:Have 7siren tones with a lounder speaker, the volume can be adjusted Packing Size:21*22*8cm Weight:1.45kgs Standard:CE/ ISO Electronic Police Siren CJB-F with 100 speaker a set