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. LED display is simple and clear, imitating distance of obstacles to the car, and different area by different color. 7. LED display uses the latest LED technology, displaying with digits. 8. Use Y-2600A controller. 9. Working voltage:?DC12V +/- 2V. 10. Max power:?< 5W. 11. Working temperature: -35 ~ 80oC. 12. Display distance:??1.8m. 13. Alarming distance: ?1.5m. 14. Alarm voice: 50dB.