Specification:A:Gesture Recognition:Seamlessly detect gestures with the Rd-03E's advanced gesture recognition capabilities. Terrain Following Radar:Navigate complex terrains with ease using the terrain following radar feature. Flight Radar:Enhance flight safety with the flight radar's precise tracking and alerts. Integrated Circuits:Seamlessly integrate the Rd-03E into your projects with its compact integrated circuits design. Color: As Shown Material: Metal+Plastic Package Contents: 2 x Radar sensor module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.