... technology in the in the IT field. Using the SD card as storage media, MDVR can achieve 4 CIF, HD1 ... management and playback analysis. MDVR looks simple, the features with superior shakeproof, installation flexibility, powerful, and high reliability. Bus ... level alarmSD card interfaceTwo SD Cards1.Compatible with common brand in the market,32GB/for each card.2.SD card’s function with storing files ...