85 DB ABS e componenti elettrici cicalino piezoelettrico 12V DC 12V DC 3000+/ - 500Hz
Frequency: 3000 + / - 500Hz. Inside is a piezo plus the driver circuitry and electric components. Sound Pressure Level: 85 dB. Material: ABS and electric components. Well made of premium ABS material, this item is and practical use.