... 3.sealed design 4.max 32GB SD card GPS 3G Network H.264 4CH Car DVR Recorder Support 32GB SD Card AK-6104G Main Features:Industrial ... can add date,clock,car number,speed,brake,alarm signal in real time.5),Good damage-proof, water proof, and dust ... for option(CIF,HD1,D1)Hard Disk StorageSupport 32G SD card for recording;3days storage.RecordingSupport 4CH vedio real time input and recordnetwork3G network ...