Description: 1. 100% good quality brand new 2. 4.1-inch high-definition display. (Not equipped with rear camera) 3. Button 7 colors can be set by yourself 4. 1080P using C200S chip. 5. Reverse rear view function. 6. Supports playback of AVI/JPEG/WMA/MP3/DVR formats. 7. In any state, power outage memory function. 8. Built-in radio FM tuner, automatic search platform features. 9. EQ sound control, stereo, left channel, right channel selection. Support SD card, U disk to play. Specification: 1. Supply voltage: DC 12V 2. Speaker impedance: 4 ohms 3. Maximum power: 50W * 4 4. Volume control: +/- 8 dB (bass 100HZ treble 10KHZ) 5. Size: about 160 * 178 * 53MM (D * W * H) 6. Tuning range: 87.5-108MHz 7. IF frequency: 10.7MHz 8. Applicable sensitivity: 15dB 9. Signal to noise ratio: 50dB 10.Stereo resolution: 30dB
