Teswell Flexible 4ch SD Hybrid MDVR, 4CH Full HD 1080P/720P, GPS/Glonass/Baidou, 4G LTE, H.265/H.264, 1*RS232+1*RS485, G-sensor, RJ45, WIFI, Support Intercom, ADAS, DSM, BSD, Seat belt detection, AHD camera, Support: 2*AHD+2*IPC / 4*AHD+1*IPC / 4*IPC / 4*AHD.