"Blackhawk" supports up to 16 cameras and makes it easy to cycle between them. Switch between portrait and landscape mode, and conveniently monitor multiple locations from one app.Features• View up to 16 cameras at one location.• Monitor multiple locations from one app.• View in portrait or landscape mode.• Max. 4channels can be selected to display split screen.• Single or split screen display.• PTZ support.CompatibilityBlackhawk works with the following DVRs: BLK-DH200400D, BLK-DH200800D, BLK-DH201600DRequirementsThis app is supported by Android v2.2 and over, and it may not work on some of the old type devices. 更新内容： 优化系统性能，体验更顺畅。