?Customer Service and Technical Support?We offer 30-day Money-Back, 12-month Replacement, life-time Technical Support. Please feel free to contact us if you have any questions, we will reply to you within 18 hours and help you solve the problem. ?How to get sound from the car speaker?This 6.86-inch touch screen car stereo with built-in speaker, but if you want louder sound, you can transmit its sound to the car speaker in two ways: ?Using an FM transmitter, you can set the same frequency on the device and the car radio. ?Using an AUX cable, if there is an AUX interface on the car, connect it to the original auxiliary interface on the car through the AUX cable. ?Car Stereo with Backup Camera?This wireless carplay screen with HD backup camera activates the moment you shift into reverse, displaying a live view on the in-dash screen. Dynamic guidelines overlay the image, showing your predicted path based on the steering wheel position to assist parallel parking and backing into tight spaces. Night vision ensures visibility even in low light. ?Wireless CarPlay Android Auto?Portable wireless apple carplay screen with the built-in wireless CarPlay and Android Auto, you can seamlessly connect your phone to the stereo for a safer driving experience, keeping your eyes focused on the road ahead while easily accessing apps, music, and maps through the dash screen's interface,effortlessly control your Phone using Siri's or Goo-gle's voice commands. ?Easy to Install, Fits All Vehicles?Carplay screen for car is plug and play directly with dashboard via connect cigarette lighter. You don't need to disassemble your car's console, keep your car original radio, perfect coexistence. The android auto screen is 7V-32V, suitable for almost vehicles, such as cars, trucks, rvs, vans, buses, pickups,ect. ?Unique Adjustable Mount Design?Portable car stereo apple carplay monitor included an adjustable dash mount extends, tilts, and swivels for optimal viewing and access. Extend the screen up to 5 inches towards the driver for optimal visibility and easy touch access while driving. Swivel left or right for passenger viewing. Tilt to avoid sun glare. The flexible gooseneck holds the stereo firmly on bumpy roads and enables adjusting to the perfect viewing angle.