Theory: Inductance Sensor Type: Acceleration Sensor Output: Analog Sensor Colour:As shown Material:PCB Notice:1. The recommended radar installation orientation is (a) or (b), the positive and negative directions are azimuth angles, the upand down directions are pitch angles, and the normal direction of the radar antenna plane is 02. The detection range has an azimuth angle of ±60°, a pitch angle of ±30°, and a detection distance in the normal direction of up to 8m. Package Contents: 2 x Rd-03D 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.