brand new and high quality! Features: 1. It is a simple plug and for play device. 2.It supports large screen display and full-screen for touch. 3.It supports real-time viewing and playback at any for time. 4.It supports USB digital signal transmission and has a high resolution. How to install a DVR: Step 1 :Insert the memory card into the slot of the DVR.Do not mistake the front and the back side of the card. Step 2 :Connect the USB interface of this unit to the USB interface of the GPS car radio. Step 3 :The APK has been installed on the DVR,just open the android stereo's file manager,find it and install the apk. Step 4 :Click the APP setting, and set up suitable parameteres and the storage for path. Step5 :Fix the for 3M glue,adjust the angle of the DVR,and then bury the cable. Specifications: Material: Plastic Color: Black Size: As the picture shown Camera:5MP 170 Wide-angle 5G lens Video Resolution Front:720x1280@30fps File Format Video as :H.264 MOV, Photo as JPG Memory Capacity Support:16~ 32 GB TF card (Not Include) Quantity: 1Set Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Driving Recorder 1 x Cable 1 x User Manual