How much does this cost to the nearest dollar?

JOINLGO 4 Channel GPS 4G WiFi 1080P AHD Mobile Vehicle Car DVR MDVR Video Recorder Kit Real-time Monitor on PC Phone with 4 Metal Side Front Rear View IP69 Backup Car Cameras for Truck RV Bus Van
EASY WIRING PLUG AND PLAY. Wiring via 4 pin connector, it is more tight. Intercom There is a intercom talk port on the mdvr, if you connect a intercom handle, then you can intercom between car and CMSV6 side. USB Supports to backup videos via USB slot. Supports to connect a mouse with the USB slot. G-sensor Recognizes sudden movements i.e. hard acceleration, sudden stops, speeding and impacts. Can set alerts to to keep these recordings as events. 4

Price is $400.00
Price: $399.98