JADO D640S Rearview mirror Car DVR , Front & Back camera
NT96655 Chipest + OV sensor + 6G lens
Resolution : Front 1920*1080p 30fps ; Back 620*480p 30fps
F1.9 super aperture
Seamless & SOS recording
G-sensor
Motion detection
they are just seems same.
D610S -AD : Front & Back camera , standard back camera 480p , ADAS ( LDWS, FCWS )
D640S : Front & Back camera , standard back camera 480p
FYI .