Feature: 1. The 8-inch screen, with a resolution of 1024 x 600, high-definition, can meet the needs of audio and video. 2. Support WiFi / GPS unlimited networking, intelligent navigation. Support phone book function. 3. Support lossless music, mobile phone connection, reversing video and GPS positioning. 4. Built‑in microphone, you can make hands‑free calls, which is very convenient for your using. 5. Provide a variety of navigation software options to help you install free offline maps, convenient and fast. Specification: Item Type: Car GPS Material: ABSProduct Model: QI-8104 Operating System: For Android 9.1 Screen Size: 8in Screen Resolution: 1024x600 Configuration: GPS/BT/USB Decoding Chip: MTK8127 Power Amplifier Chip: TDA7388 Mobile Phone Interconnection: For Android two-way/iOS one-way GPS Navigation: Support Radio Band: FM Radio Chip: 8227 Audio Frequency: FM87.5-108m Reversing Image: Support (Camera Not Included) Brake Prompt Function: Yes Steering Wheel Control Function: Yes Bluetooth: Support, version 4.0, support Bluetooth music, Bluetooth phone Output Terminal: 1 channel reversing input, 1 channel video input, 2 channel audio output USB Interface: Version 2.0, has 2 tail line outputs Play Mode: USB/Bluetooth 4.0 (password: 0000) Supported Image Formats: JPEG, GIF, PNG, BMP Supported Audio Formats: MP3, FLAC, APE, WMA, WAV, AAC, AMR, etc. Supported Video Formats: AVI, ASF, MP4, MOV, MPG, MPEG 1/2/4, VOB, MKV, FLV, TS, WMV, RMVB, 3GP, 1080P, etc. Working Voltage: DC 9-17V Internal Memory: RAM 1G, ROM 16G Host Size: Approx. 240x130x60mm/9.4x5.1x2.4inFitment: Fit for GMC Acadia(Denali) (2007-2012) Fit for GMC Savana (2008-2013) Fit for GMC Sierra(Denali) (2007-2014) Fit for GMC Yukon (Denali) (2007-2014) Fit for Chevy Silverado 1500HD (2007-2014)(Second Generation) Fit for Chevy Silverado 2500HD (2007-2014)(Second Generation) Fit for Chevy Silverado 3500HD (2007-2014)(Second Generation) Fit for Chevrolet Avalanche (2007-2011)(GMT900) Fit for Chevrolet Express Van (2008-2011) Fit for Chevrolet Impala (2006-2012)(Ninth Generation) Fit for Chevrolet Equinox(2005-2009)(First Generation) Fit for Chevrolet HHR(SS/LT/Panel/LS)(2006-2011) Fit for Chevrolet Monte Carlo(2006-2007)(Seventh Generation) Fit for Chevrolet Suburban(2007-2014)(Tenth Generation) Fit for Chevrolet Tahoe(2007-2014)(Third Generation) Fit for Chevrolet Traverse(2009-2012) Fit for Hummer H2(2008-2009) Fit for Buick Enclave(2008-2012). Package List: 1 x Host 1 x Protocol Box1 x GPS Antenna1 x Reversing Cable1 x Power Cable1 x Antenna2 x USB Cable1 x Audio Cable1 x Speaker Amplifier1 x Manual 1 x Wiring Diagram Note: Please allow 1‑3mm difference due to manual measurement.