PACKAGE INCLUDES:JVC KD-R770BT CD receiver , GM-K420 Single DIN Installation Dash Kit , GWH-416 Wiring Harness, GM10 Radio Antenna Adapter CAR STEREO UNIT: JVC KD-R770BT CD receiver CD receiver with AM/FM tuner (22 watts RMS/50 peak x 4 channels) plays media loaded with MP3, WMA, AAC, WAV, and FLAC music files wireless remote control built-in Bluetooth DASH KIT: GM-K420 Single DIN Installation Dash Kit .This dash kit allows you to replace your vehicle's factory stereo to improve the overall sound quality of your car audio system. It has been designed with high quality automotive grade ABS plastic to match the texture of your factory dash. Installation of this kit is simple. No special tools are required and the included step-by-step instructions will guide you through the install. WIRE HARNESS: GWH-416 Wiring Harness.When replacing your factory radio with an after-market car stereo, a wire harness is a must for a quick installation. It eliminates cutting your OE radio plug helping to maintain your cars value. After connecting it, your install is simple as the wires will color-match and easily connect to the after-market stereo. Without a wiring harness you will have to cut the factory harness and then test each wire to connect to your radio. RADIO ANTENNA:GM10 Radio Antenna Adapter. This small accessory is required for aftermarket radio playback if you own a GM or Chevrolet made vehicle