DC 3V/5V/9-12V Wired Connector Active Electronic Buzzer Sounder With 55mm Wire

Description: DC 3V/5V/9-12V Wired Connector Active Electronic Buzzer Sounder With 55mm Cable Wire Specifications: Size: 12x9mm Working voltage: 3V / 5V / 9-12V Wire length: 55mm Applications: Computer, printer, repeater, alarm, electronic toy, automobile electronic equipment, telephone, timer, etc. Matters needing attention: The buzzer cannot be used as a mineral radio, because there is an oscillation circuit inside the buzzer. When the power is turned on, it will drive a miniature horn inside to emit a beep. The buzzer is not a simple trumpet. In addition, there are two kinds of buzzers. One is internal oscillator; One is to connect an oscillator, that is, an ordinary miniature horn. For the type without oscillator, it cannot be used, because its resistance is generally about 32 ohms, and there are 8 ohms or 16 ohms, which are low impedance, so it cannot be used. If there is no high resistance earphone, you can also use a power transformer of 6V or 12V, and the power is about 3 to 5W, because the primary wire diameter of the transformer is very thin, the number of turns is also large, and the impedance is also large. The purpose is to make the load obtain good impedance matching and maximum power. The use method is as follows: connect the transformer's primary (the winding resistance connected to 220V) to the place where the high resistance earphone was originally connected, and then connect the secondary to your ordinary earphone. Package Including: According to your choice. Payment: We accept Paypal only, It is fast, Easy and Safe. Payment must be completed within 7 days. PLEASE NOTE: S&H DOES NOT INCLUDE DUTIES, LOCATL TAXES OR ANY OTHER IMPORTATION FEES. Please list your special requests (color, packages, etc.) in the PAYPAL NOTES SECTION when you make payment. Shipping: We Ship to Worldwide. Orders processed within 24-48 hours of payment verification. it will take 15-25 days for delivery. but Customs will random inspection some parcel, so that's why some parcel need more than four weeks to arrive. Shipping time is only estimated and not guaranteed. We only ship to confirmed PAYPAL addresses. Your PAYPAL address MUST MATCH your Shipping address. Package to USA will Shipping by E-Package with Tracking Number(7-15 Days to Delivered). To other Countries will shipping by Post Air Mail without tracking number(ONLY when the order is over 20USD will supply Tracking Number Shipping Way!)(15-35 Days to Delivered) Items are shipped via China Post Air Mail. Guarantee: Good Good quality. Buy with confidence! If you are not satisfied when you receive your item, please return it within 7 days for a replacement or money back. Please contact me before you return it. Not accept returning of electronic components. Full refund after we receive our original item, Note: Return shipping is to be paid by the Buyer. We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.

Price: 1.49 USD

Location: Shenzhen, GD

End Time: 2025-02-02T03:27:34.000Z

Shipping Cost: 4.5 USD