E6B calculates time, speed, distance, altitude, true airspeed, and density altitude. Ideal for flight training. The front of the flight computer features a logarithmic slide rule for multiplication and division. The rear wheels are used to calculate wind effects during cruise flight. Lightweight, compact, durable, designed for one-handed use, fast operation, and requires no power source. The E6B flight computer is widely used by flight instructors and students. Color and packaging may vary slightly due to production differences, but all units meet high-quality standards. Material: Plastic Color: As shown Package Contents: 1 x Aviation plotter Content limited to items listed; other accessories not included. Note: Display lighting and screen settings may cause slight color variations between the image and the actual product. Measurement tolerance: +/- 1-3 cm.