Description Description&Previewshipping&policyDescription: Overview For Raspberry Pi foreign high-precision Clock module DS3231 Note that the motherboard can also use this module. The module itself can adapt to 3.3V and 5V system, no level conversion, this is super convenient! Characteristics 1. -40°c to +85°c temperature range, timing accuracy remains in ±5ppm (± 0.432 sec/day) 2. Battery backup for continuous timing 3. Low power consumption 4. Device package and function and DS3231 compatibility 5. Complete clock calendar features include seconds, minutes, hours, weeks, dates, months, and years, and provide a leap year compensation valid until 2100 6. Two Calendar alarms 7.1Hz and the 768kHz output 8. Reset output and button to shake input 9. High-speed (400kHz) $literal serial Bus +2.3V to +5.5V Power supply voltage 11. Precision ±3°c Digital Temperature sensor 12. -40°c to +85°c operating temperature range 13.16 pins SO (300mil) package Preview: Thank you for your purchase Problems? You can follow below process to chontact us. There is a time zone difference,but we will do our best to quickly response to your questions: Shipping ? We will arrange shipping for you within 24 Hours after payment cleared except the holidays. ? We always send the item to the address you give us on PAYPAL to ensure the security of the item. If you have changed your address, or want us to ship to another address, please change to the new address when you pay us with PAYPAL, otherwise we will not be responsible if the package is lost. Payments We accepts Paypal only If you have any questions about the payment,please contact us through eBay message. Import Duties In case some duty is due Upon delivery, it is your responsibility to meet that expense and this may cause delays to delivery schedule and you may have to pickup goods at the customs office. Terms & Conditions By bidding on this item,the Buyer agrees to all of the terms and conditions as outlined in this listing .please ensure to read and agree to All eBay terms and Conditions before bidding. All pictures are for illustration purpose only and Colours may vary slightly. Our store obeys all eBay Rules and Policies. Returns Policy To Return an item you must contact us and take photos of your item to clearly show any damage or unusual aspects of it. Approved returns will be subject to inspection on arrival. Items must be returned in original condition with all original packaging. All shipping and handing charges are non-refundable Return delivery costs are the responsibility of the buyer. We will cover the cost if sending replacement/repaired items. Within 7 days after receiving your products, we offers a no-hassle 7 day exchange/replace only if your items are found to be defective by manufacturer.