Double protection: The airspeed sensor is equipped with a protective cover to protect the internal components from damage. Quality performance: Our digital airspeed sensor kit is made of high-quality material, which is durable and has a long service life. Effortless install: Our digital airspeed sensor kit is easy to install and disassemble. Just insert the sensor into the PC, plug it in, and start using it. Set: A-1 x Cable Tube Kit Application: For simultaneously calibrating the throttle range of ESCs on a multi-rotor. Use: Vehicles & Remote Control Toys Material: Plastic + Metal Color: As shown Package Contents: 1 x Cable Tube Kit (Some accessories are random in color; specific color cannot be chosen.) Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement allowed error is +/- 1-3 cm.