Features: Ensure precise Voltages monitoring with our 1S Lithium Battery Voltages Capacity Detectors, specifically for 1S and LiHv batteries, allowing you to keep battery's remaining power effortlessly. This detectors offer broad applicability and flexibility across various battery models, enhances by intuitive LED indicators for easy Voltages reading. Suitable for drones enthusiasts and plane users, electronics developers, and educational institutions, this device aids in effective battery management and system understanding. Perfect for flight drones checks, model racing preparation, battery charging management, and laboratory teaching, ensuring performances and safety across all applications. Crafted from high quality materials, this detectors integrates seamlessly into drones and model vehicles, offering reliable performances in diverse environment while preventing battery over discharge damage. Specifications: Component:PCB Size:Approx.42x24mm/1.65x0.94inch Package Includes: 1 Set Battery Voltages Tester note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.