Effortless Setup with Double Buttons: The GY-6D Battery Capacity Monitor is designed with a user-friendly double button interface, allowing for quick and efficient setup. You can configure the device in just a few seconds, making it ideal for both beginners and experienced users. Energy-Saving Display Switch: This monitor includes a convenient switch that allows you to turn off the display when not in use, ensuring zero power consumption. This feature helps conserve energy, extending the life of your battery and making it an environmentally conscious choice. Precise Battery Monitoring: Stay informed with accurate real-time data on your battery's status. The monitor displays both the percentage of battery capacity and voltage, providing a clear and intuitive understanding of your power levels at a glance. Smart Alarm System: Never be caught off guard by low battery levels again. The monitor features a blue backlight that flashes to alert you when the battery level falls below 20%. This sound-light alarm ensures you have ample time to recharge or replace your battery, preventing unexpected power loss. Durable and Reliable Construction: Built with high specification craftsmanship, the GY-6D monitor is both sturdy and durable. Its robust design ensures long-lasting performance, making it a reliable tool for monitoring battery capacity across various applications.