Features: Keep your device running on time with the DS1307 RTC clock module – a must-have accessory for any serious user. This high-precision clock module is made from durable PCB material and is compatible with all models, allowing you to keep accurate time even when your device is powered off. Perfect for developers, hobbyists, and DIY enthusiasts, this RTC clock module is an essential tool for anyone looking to build custom projects that require precise timing. Whether you're building a smart home automation system, a weather station, or a robotics project, the DS1307 RTC clock module will ensure that your device stays in sync at all times. With easy installation and reliable performance, the DS1307 RTC clock module is the ideal choice for anyone looking to take projects to the next level. Specifications: Material: PCB Note: Please allow 0–1 cm error due to manual measurement. Please make sure you do not mind before purchasing. Due to differences between monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x RTC Real Time Clock Module