JOINLGO 4-CH GPS 4G 1080P Mobile Vehicle Car DVR MDVR Video Recorder Kit Remote Live View on Phone/PC/Webpage 4 Side Front Rear View Backup Car Cameras 10" Screen for RV Truck Bus

Just finish installation by myself. The product works as design. The manual is not so detail, but the customer service is very great for help. Website/software is easy to use. For that price, I will highly recommaded give a try.