Please send us a high resolution photo of your car dashboard (radio). Please tell us the (year) and (model) of your car. If your car is equipped with automatic air conditioning system or manual air conditioning system. Please report these problems to us in time before or after you place an order, so as to avoid us not receiving your feedback photos after you place an order, resulting in your order not being able to be sent. We will also take the initiative to contact you to take pictures after you place an order. In order to protect your consumer rights and interests, please promptly feedback the pictures we ask for to us. MP3, WMA, AAC, RM, FALC Video formats MPEG-1/2/4, H264, H263, VC1, RV, RMVB, DivX, Sorenson Spark, Spark, VP8, AVS Stream Photo format JPG/BMP/JEPG/GIF/PNG radio parameters Frequency FM 76.0MHz-108.0MHz Region Asia, Europe, Russia, America 1, America 2, Japan, Southeast Asia Format DVD/DIVX/MP4/MP3/MP2/VCD Voltage 13.8V Output level 440W WIFI support Voltage Vcc_3.3V IEEE802.11B/g/n protocol compatible with WLAN USB type USB2.0 Frequency 2.4GHz notes:? Plug and Play: Plug and Play? The compatibility table is for reference only, please confirm the installation size of your vehicle before purchasing. Audio format support: MP3/WMA/WAV/FLAC/OGG/APE Interface: USB/TF/AUX IN MOSFET amplifier: 45watts X 4 maximum power output feature:? 1080P high resolution movie player? Support Bluetooth audio music and hands-free calling. Support rear view camera input function. 24-hour digital display of clock and date. Equipped with a high-sensitivity steering wheel remote controller, making driving safer and more convenient to use. Support TF card slot and standard USB interface. Can charge mobile phones or other USB devices. Support multiple sound effects adjustment. Power-down automatic memory storage radio or TF/USB mode? Bass and Treble, L&R Channel Stabilizer? Video input function Car rear view camera: HD car reversing camera for cars is unlike any other car reversing camera. This product is perfect for cars, MPVs, VANs, trucks or trucks with color and LED vision to provide a good picture on your screen. It is very necessary for us to install a camera at the rear of the car, especially for novice drivers. Using this rear camera to pay close attention to the rear of the vehicle, we can judge the distance and distance behind the car. The angled field of view gives you a wide view, a great solution to get rid of poor visibility in the car, and it is very convenient to use. Feature:? 100% brand new high quality. Compact design and easy installation. Low illumination, can work in the dark environment within 3 meters at night. Any type of monitor connected to a composite yellow RCA jack with crystal clear resolution will fit most vehicle keyholes without additional installation. 120-170 degree wide viewing angle. IP68 waterproof function, can be used in outdoor environment. Applicable to various brands of vehicles: cars, vans, etc. The camera can be rotated approximately 90 degrees. Work requirements:? Power supply: DC 12V. Working temperature: -20 – 75 degrees (maximum RH95%). Storage temperature: -40 – 85 degrees (maximum RH95%). 1 navigation unit 1 USB connector 1 x GPS Antenna 1 x Power Cord.