Product Name : Buzzer;Sound-making Type : Continuous Sound;Rated Voltage : DC 12V; Rated Current : 350mA</br>Harmonic Frequency : 3000+/-500Hz;Sound Decibel : >=120dB</br>Overall Size : 6.4 x 5.5cm/2.6" x 2.2"(L*D);Mounting Hole Diameter : 5.5cm/2.2"</br>Wire Length : 90cm /35.4";Color : Black?? Red</br>Weight : 60g;Package Content : 1 x Buzzer</br></br>Product Description</br></br><ul><li>Plastic Housing?? terminal design is conveninet to connecting.</li><li>An ideal item for industrial use.</li></ul></br><br/>http://www.amazon.com/gp/product/B00HR6P9QU