... quality 2.Arm and disarm with remote control Wireless Remote DVR Motion Alarm with 4G SD Model: CX-MH303Brief Introduction:This ... which needs special protection.The package mainly contains: 1 wireless DVR motion alarm, 1 SD card (4G), 1 USB cable, 1 ... / Mac OS 9.2.2 or higher version(Windows98 requires driver installation)Product Preview: