Dear buyer, Welcome to my shop, if you have any question please let me know, I will do my best to help you when received your mail(will reply within 48hours), thanks for your understand,if want many quantity or many items total please contact me,maybe will have a good price,Have a nice day!

Please Note:Professionals bid this item,need know how to work,because it only a part of system. 

Inside the important sensor part is use imported element,will working more stable and sensor better! now many other item look same same,but the sensor part is made in China,it not better than the imported sensor element, the price is different too!

Functional principle:

Buzzer is this product USES and contact spring vibration sensing system, has the characteristics of high sensitivity, fast, and high performance. Internal spring heavy hammer structure with piezoelectric ceramic chip testing vibration signal, and through operational amplifier LM358 and output control signal, low cost, high sensitivity, stable and reliable work, the vibration test the advantages of wide adjustable range, is widely applied to steam, motorcycles, car anti-theft system, currently 80% of the vehicles used this kind of sensor, alarm sensor internal use SMT technology, imported components assembly, sensors can also be with single-chip computer, the wireless transmitting module, wired alarm, etc., are widely used in car alarm and other security products, be the first choice of the modern security of low cost, practical products.

Product characteristics:

• 1, long size: 60 mm X 40 mm wide X 21 mm (with the ear plate)
• 2, the main chip: LM358, vibration detecting element
• 3, working voltage: DC 5-15 v
• Features:
• 1, a signal output indicator light indicator;
• 2, single-channel signal output, the output delay 1 s vibration signal was detected in
• 3, the output valid signal for low level can be controller by singlechip
• 4, install hole, easy installation, flexible;
• 5, vibration detection sensitivity can be adjusted;
• 6, circuit board output pin length is 1 m, with standard 2.54 3 pin socket, convenient connection.

Application: can be applied to automobiles, motorcycle alarms, electronic locks, security testing such as vibration control occasions.

Package Included:

1pcs x Vibration sensor

Shipping:

We Ship to Worldwide.

Import duties, taxes and charges are not

• included in the item price or shipping charges. These charges are the
• buyer’s responsibility.

Please check with your country’s customs

• office to determine what these additional costs will be prior to
• bidding/buying.

The item will be shipped out within 48 hours

• on the weekdays ( Monday to Friday ) or the next business days on the
• weekend after full payment must be received.

Only ship to

• the Ebay Address. Please
• make sure your address in Ebay is
• Correct before you pay. we are not responsible for any wrong or
• undeliverable addresses.

We will ship out the item by AirMail

• from China or Hong Kong Post Office. If want send by DHL UPS EMS
• or other Express shipping please contact me to change the shipping cost.

We will send the item as " GIFT "

It takes about 15-40 working days to arrive. Sometimes take a little longer , Due to Local dispatch or other

• reasons, It might goes more than 20 days .

Payment  

We accept PayPal only.

All major credit cards are accepted through

• our secure payment processor PayPal.

Payment must be received within 10 days of

• auction closing.

Refunds &

Returns

If you do not satisfied with your purchase, or

• if it is damaged when receive, please let us know, we will do our best to
• help. If the problem cannot be solved, please return it to me in the
• condition it was received within 7 days. we will send you replacement or
• give you a refund.

All returns should include all original items

• undamaged, in re-saleable condition, all original packaging including
• manuals, warranty forms.

Buyers is responsible for the returning

• shipping cost.

We care about our valued customers,

• and will always try to help you. So if you have any problems, please Ebay
• message us immediately. Please give us the opportunity to resolve any
• problem. We understand the concerns and frustrations you might have, and
• will try our best to resolve the issues.Please contact us BEFORE leaving any
• negative or neutral feedback or open any dispute on paypal.