How to Use: 1. Install the display screen; 2. Wiring, buried wire; 3. Connect the power supply. Specification: Item Type: Car Stereo System: For Android 10.1 Software Solution: For Hengchen Radio Frequency: FM 87.5-108.0MHz, AM522-1620KHz Radio IC: 4732 Power Amplifier IC: YD7388 Output Power: 60Wx4 Working Voltage: 12-14.4V Working Temperature: -10-60℃ Bluetooth Version: Version 5.0 (Default Name: Car BT) Wifi Frequency: 2.4GHz GPS Signal: GPS satellite CPU: A7 1.3GHz x 4 Running Memory: 1G (DDR3) Storage Memory: 16G Display Resolution: 1024x600 Screen Size: 7 inches (IPS screen) RCA port Audio Output: 2 channels (left channel + right channel) Subwoofer Output: 1 channel Video Output: 1 channel Audio Input: 2 channels (left channel + right channel) Video Input: 2 channels Reversing Video Input: 1 channel Format Audio Formats: MP3, WMA, WAV, APE, FLAC, AAC, OGG, RM Video Formats: MPEG, AVI, RM, FLV, ASF, WMV, MP4, MKV, OGM, TS, RMVB, VOB Image Formats: JPG, BMP, PNG, JPEG, GIF Languages: English, Chinese, Traditional Chinese, Russian, Portuguese, Arabic, Spanish, Italian, Turkish, Vietnamese, Thai, Hungarian, Hebrew, Persian. Package List: 1 x Car Stereo 1 x GPS Antenna 1 x 16P Power Cord 2 x Usb Cable 2 x Mounting Bracket 4 x Screw 1 x Manual 1 x Radio Antenna