How much does this cost to the nearest dollar?

RYDEEN TOMBO 360 Surround View 4K Dash Camera Touchscreen Frameless Rearview Mirror with TFT Monitor w/Auto Brightness Day/Night, DYI Install, Backup Video-in, Backup Camera Not Included
New and unique video rearview replacement mirror with HD touchscreen with built-in drive recorder. Unlike other mirrors that can capture and record DVR video, the RYDEEN TOMBO 360 DVR Mirror houses a 4K High-Definition digital video camera. TOMBO, which means “dragonfly” in Japanese, symbolizes the capability of All-Seeing-Vision. It provides a full view of both the inside and outside of the vehicle from the vantage point of the rearview mirror. Mirror DVR with TFT Screen for front 360 view. The single camera streams

Price is $399.00
Price: $399