Effortless Setup: The GY-6D Battery Capacity Monitor features a double button design, allowing for simple and efficient setup. You can configure the device in just a few seconds, making it user-friendly and convenient. Energy-Saving Switch: Equipped with a power switch, this monitor allows you to turn off the display when not in use, ensuring no unnecessary power consumption. This feature helps in conserving battery life and maintaining efficiency. Precise Battery Monitoring: This device accurately displays both the percentage of battery capacity and voltage, providing you with an intuitive understanding of your battery's status. Stay informed and manage your power needs effectively. Smart Alarm System: To prevent unexpected power loss, the monitor includes a backlight that flashes to alert you when the battery level drops below 20%. This sound-light alarm ensures you are always aware of your battery's condition. Robust and Durable Design: Crafted with high specification standards, the GY-6D monitor is built to last. Its sturdy construction ensures reliable performance, making it a dependable choice for monitoring battery capacity across a range of applications.