The Aircraft Model Voltage Tester is a must-have tool for aircraft model enthusiasts and professional players. It features voltage abnormal protection, ensuring that the aircraft model ESC is not damaged by voltage . Additionally, it serves as a DIY servo intelligent tester, allowing users to easily test and adjust servo performance. Features -Color:Multi -Material:PP,Electric Components -Size(Detector):4.50X3.10X2.00cm/1.77X1.22X0.79in -Size(Electric Component Bag):30.00X2.50X1.00cm/11.79X0.98X0.39in -This product is designed to meet the needs of both aircraft model enthusiasts and professional players. -The voltage abnormal protection feature ensures the stability and safety of aircraft model flights by protecting the ESC from voltage . -The model tester allows users to independently test and adjust servo performance. -This tester can provide a convenient solution for fine-tuning aircraft model controls. -Allows for convenient evaluation and adjustment of servo performance. Package list: 1 x Voltage Tester