... +G-SENSORAS-BW1002-S14 channel (2D1+2CIF / 4 HD1 / 4CIF)1 SD card +G-SENSOR +GPSAS-BW1002-S24 channel (2D1+2CIF ... Car DVR factory , single card to support a maximum capacity of 64GB >> 4CH Dual Camera Car DVR factory Built-in GPS ... interfaces, such as: RS485, RS232, differential speed interface >> Car black box function, recording speed, position, momentum, acceleration, temperature, brake, reverse, ...