Shenzhen Xuan Yao Electronics Co., Limited  

Product Name: High Quality Wire Micro Piezo Electric Buzzer Piezo Element Model NO.: ODS221 Qty/Carton: 100PCS Shipping: DHL/FedEx/UPS Applicaiton: Computers and Multimedia Color: Black Current Output: 3.5mA Voltage: DC 12V Diameter: 30mm Center Diameter: 5.7mm Weight: 4.3G Min. Sound Output at 10cm: 85dB Resonant Frequency: 1300Hz