Key Specificatiions/Special Features: • Colorful TFT for back view • Digital LCD showing obstacle distance • Alarm by Bi-Bi Sound(Speech Option) • LED display with three colors(Red,Yellow and Green) • Rearview mirror for the display,it clips on the exsit mirror side. • 4-8 sensors are available • Turn on/off the voice according to your desire • High quality and easy to install.