1.wireless parking (BY-01T70W) 2.parking sensor 3.wireless reverse sensor, 4.camera parking sensor 5.CEROHS certificate Features: wireless parking senor ,parking sensor ,auto parking sensor · Screen size:7 inches · automatically switch on when reverse gear is engaged ·digital distance of obstacles is shown in the monitor alarm by BIBIBI sound bluetooth handsfree function,incoming call display on screen,call recording,and manual or with night vision and clear view camera ·wireless feature(built-in) is optional ·all kinds of sensor colors and styles are available ·high quality and easy to install installation specification: