General information: Brand: Dectek OS: Android 11 os Lollipop CPU: Rockchip RK3188 Cortex A9 Quad Core 1.6GHz*4 RAM: DDR3 2GB Internal Storage: 32GB USB/SD: maximum up to 32GB Display size: 7 inch Screen Resolution: 1024*600 Capacitive Touch Screen: Yes, 5 Points Multi-Touch EQ: 9 Equalizers for Sound Power Output:4*45W Working Voltage: 10.8-14.8V Features & Functions: Screen Mirror: display mirror function between car headunit and your smart mobile, most android phones and iPhones are allowed Colorful LED Button: Yes OBD2 Car Diagnose: to read datas and error codes from your car board computer, require extra Bluetooth OBD2 scanner ELM327 GPS Navigation: support online/offline maps,2D/3D,Voice Guidance; you can download online GPS Apps like Waze, Sygic, Google and other apps in Google Play Store, or to get offline map source from map suppliers to use satellite navigation. Dual Zone: to use navigation while listen to music or radio Headrest Monitor: Yes, back-seat passengers can watch dvd player on the headrest monitors, only for dvd player feature Bluetooth: Version:V4.0, Hand-free calling, A2DP music player, PhoneBook-Download/Search, Calling Records, built-in Microphone, support 3.5mm jack external microphone WiFi: built-in, surf internet by hotspot sharing from your smart phone DVD Player: Yes, HD 1080P Radio: AM/FM Google Play Store: Yes Backup camera input: Yes Steering wheel control: Yes, only available for the car which has no canbus system OSD Language: English,Spanish,Portuguese,Turkish..more than 60 kinds of languages included Optional items: Digital Tv Tuner, OBD2 Adapter, 3G Dongle, DVR Camera. contact us to buy it with extra payment.