Bluetooth Sat Nav with Reverse Camera :The Bluetooth of navigation allows you to connect your mobile phone to GPS navigation, and you can synchronize all the operations of your mobile phone, such as making or answering calls, listening to music, etc. 120 wide-angle rear view camera can reduce the blind spot when backing up and detect obstacles behind the vehicle to prevent scratches and bumps when parking.It makes your journey safer and more convenient. FM Amplify Volume Function:In order to allow you to focus on the road, select the FM amplify volume function to increase the volume of the navigation voice and escort your driving. *Note: The FM function is not a radio. After receiving the GPS navigation, please use the car charger to fully charge it before using it. If the satellite signal cannot be searched, it may be caused indoors. Please search for the signal outdoors. SAT NAV 7 Inch:The SAT NAV has 7 inch HD touch screen, resolution 800 x 480, 2100 mAh battery, pre-Installed with Latest UK Europe Ireland Maps , lifetime free maps update. This 7 inch Sat Nav is simple to operate and easy to use, especially suitable for the elderly or people with poor eyesight. Sat Nav Features:(1) Support postal code, address, coordinates and POI. (2) Driver alert, speeding camera, speed limit, street name broadcast, lane guidance and estimated arrival time,.(3) Smart route planning is fast and economical. (4) Channel-by-channel real-time voice broadcast in more than 40 languages. (5) Automatic day and night mode switching. (6) Fast and accurate GPS positioning. What You Will Get:Sat Nav, Camera ,Car Charger, USB Cable, Suction Cup Mount, User Manual. If you have any question about this navigation, please feel free to contact us via Fruugo and we will do our best to offer you help. *Note: If you encounter any problems, please check the user manual first or contact us. Sat Nav Specification System: Windows Screen: 7" capacitive touchscreen,800 * 480 Memory: Samsung 8 GB rom 256M Rom Support TF card up to 32GB(not included in the list) Bluetooth: Yes AV IN:Yes USB Interface: USB 2.0, mini USB Battery: 3000mAh lithium battery Charging Time: 2-3 hours Charging Socket: 12V DC socket Car Charger: 12-24V/1.5A Package includes 1x Sat Nav 1x CameraInstallation data cable is 6 meters 1x Suction cup 1x Back Bracket 1x USB cable 1x Car USB charger 1x User manual A:It's an offline navigation, it must work relying on GPS signal so please look for GPS signal from "GPS " at the first time use. We usually put POSTCODE search, choose "Find address" in "Destination", then input the postcode in "Town". B: Firstly, the postcode search is within "Find Address" (NOTE: If the postcode contains a space, such as "G43 1E8", do not forget to enter a space, otherwise the search will not match.) [Menu--Navigation--Destination--Find Address--Select City/County--Enter Postcode]