Check the listing for details. 1 PCS ADNS-5050 DIP-8 A5050 Optical Mouse Sensor Integrated Circuits. Condition: New. Listed at 3.79 USD. __Welcome to our Store__ Item Description Parts NO.:ADNS-5050 Package:DIP-8Quantity:1 PCS a lot Optical Mouse SensorIf you buy more quantity, Please contact us Payment Information· We accept Paypal payment only.· Shipping cost cannot be combined. · 1)Economy Int'l Shipping is without a tracking number. 2)If you need a tracking number ,Please choose the Standard Int'l Shipping , use Registered airmail ,have a tracking number . Shipping Information· Items will be ship within 2 days of payment received.· Items ship from Hongkong and it takes 10-20 working days (2-4 weeks) to receive for most area.· If you do not receive item over 30 working days (6 weeks), please contact me to investigate the case. Return Policy· Any problem or unhappy with items. You will get refund in full amount. No question ask. Contact Us· If you have any question, please contact me via ebay contact seller. wish you a happy shopping, welcome to the next visit