1. Display size: 90 x 14.5 x 34 mm. 2. Suitable for 2, 3 & 4 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. Digital display is visible, compatible with indicator light, help the driver to know the parking distance. 6. Wave band display is simple and clear, imitating distance of obstacles to the car. 7. LCD display uses the latest liquid crystal technology, display 7 different color. 8. To display with double wave bands and digits. 9. Use Y-2600C controller. 10. Working voltage:?DC12V +/- 2V. 11. Max power:?< 5W. 12. Working temperature: -35 ~ 80oC. 13. Display distance:??1.8m. 14. Alarming distance: ?1.5m. 15. Alarm voice: 50dB.