Annunciator(2 in 1 5 tone/3 tone electronic siren with mic

Model: JB-028

Three of five electronic horn with microphone. The product has pretty design. The sound compounded by the digital programs and measureup to the requirements of police and fire control department. When you use the micro phone, it sound very clear.

Size: 130mm*6-3/16
Voltage: DC12V
Output power: 60w
Tone: 300dB