If you are in need of a real time clock module, this DS3231 Precision RTC Memory Module for Arduino would be a best choice! With high-grade metal and electronic components materials, this clock module is really durable and reliable to use. It features 1Hz and 32.768 KHz output. Additionally, its compact design is easy for you to install. Action is better than excitement! It is really great for DIY projects! Grasp the chance and take it home now!<!--Features --><p>FEATURES</p><ul><li> Low power consumption</li><li> Two calendar clock</li><li> Conversion, it is super convenient</li><li> With1 Hz and 32.768 kHz output</li><li> Reset the output and input button to tremble</li><li> High speed (400 KHZ) the I2C serial bus</li><li> To provide continuous timing battery backup</li><li> The device is compatible with DS3231 encapsulation and function </li></ul><!--Specifications --><p>Specifications</p><table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Power Supply Voltage</td><td width="365"> +2.3V to +5.5V </td></tr><tr><td width="131"> Temperature Range</td><td width="365"> -40→ to +85→ </td></tr><tr><td width="131"> The Module Itself Can be Adapted to</td><td width="365"> 3.3V and 5V System, No Level </td></tr><tr><td width="131"> Timing Accuracy</td><td width="365"> 5PPM (÷0.432 sec/day)</td></tr><tr><td width="131"> Digital Temperature Sensor Accuracy of Plus or Minus</td><td width="365"> 3→ </td></tr><tr><td width="131"> Dimensions</td><td width="365"> (1.57 x 1.57 x 0.59)" / (4 x 4 x 1.5)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 0.35oz / 10g</td></tr><tr><td width="131"> Material</td><td width="365"> Metal & Electronic Components</td></tr><tr><td width="131"> Color</td><td width="365"> Black </td></tr></tbody> </table><!--Package Includes --><p>Package Includes</p><ul><li>1 x DS3231 Precision RTC Module Memory Module</li></ul><!--Extra Info --><!--produts_compatibility -->