1. Made of high-quality CNC aluminum alloy materials, it is durable and has high strength. 2. It adopts a reduction gear design, is equipped with a 110CC four-stroke motorcycle starter motor and a 6:1 reduction gear, and has low circuit loss and high torque. 3. It uses a wear-resistant rubber head, a non-slip conical starting rubber head, which can better grasp the helicopter's rear moving rod or fixed-wing blade cover and effectively prevent slipping. 4. It is equipped with a sensitive touch switch and is carefully engineered for easy operation on remote-controlled fixed-wing aircraft and helicopters. 5. It uses a 4.0 thick fiberglass board to support all panels and is durable; it is suitable for Maya Technology TOC80 electric remote-control models. 6. Specifications: - Starter: Approximately 240x82x144 mm/9.45x3.23x5.67 inches - Starter outer diameter: Approximately 56 mm/2.20 inches; inner diameter approximately 51 mm/2.01 inches; height approximately 43 mm/1.69 inches - Suitable for 45 - 90 grade methanol fixed-wing aircraft with a blade diameter of over 2.25 inches - Suitable for 10cc - 80cc gasoline fixed-wing aircraft with a blade diameter of over 2.25 inches 7. Package contents: 1 engine starter 8. Precautions: The single startup time on the market should be controlled within 3 seconds, and the number of continuous startups is 5 times. Please let it cool down before use.