Portable car smart screen Screen size: 7 inches Resolution: 1024*600 Interface: USB/TF card/AVIN/AUDIO Working power supply: 14V cigarette lighter Working power range: 12-14V Working current: MAX2A Frequency transmission: 87.5-108 MHz Built-in 3W speaker Support wireless/wired Apple carplay, support wireless/wired, Android auto, easy to install/can be hung. Working temperature: -20-+70 When you are in CarPlay, it supports Siri voice wake-up. When it is connected to Android Auto, it supports Google Assistant function. Voice control makes you safe while driving. Multiple audio output methods: FM transmission, built-in speaker output, AUX audio interface. It is equipped with a camera as standard, and the reversing image is displayed when reversing, making reversing more convenient and safer.