1. Display size: 68 x 19 x 74 mm. 2. Suitable for 2, 4, 6 & 8 sensors. 3. Sensor type: drilling ( make a hole on car bumper for sensor mounting ). 4. Sensor color: black, white, silver, red, blue, yellow or ordered by customer. 5. Turn on power, system will start automatically. 6. Bionic design of sensors ensure correct measurement. 7. Multi-functional ultra-thin VFD display. 8. Display by digit, direction, voice separately. 9. Any switch is unnecessary, omni-directional and automatic control. 10. Luxurious colorful, wide-screen fluorescent display. 11. Use Y-2600C controller. 12. Working voltage:?DC12V +/- 2V. 13. Max power:?< 5W. 14. Working temperature: -35 ~ 80oC. 15. Display distance:??1.8m. 16. Alarming distance: ?1.5m. 17. Alarm voice: 50dB.