1. Number of sensor: 4sensors

2. Kind of Display: color VFD

3. Phonic reminder: BI BI BI or speaker voice warning

4. Operating voltage:10.5-15V

5. Max. Consumption:200mA

6. Operating temperature:-20℃ ~ +65℃

7.Obstacle detection :form 150m form the bumper (post dia.80 mm)