Compatible With LOGAN. Ahd-dvr: l-d441-1t. L-d421m-nd. L-d841m-1t. L-d1681m-nd. L-d8720-nd. L-d41080-nd. This software can access and control DVR/NVR/Security cameras/IP Cameras. Watch live surveillance video streams - fast and simple. It can support DVR/NVR LOGAN. Compatible with all Android smartphones. Stream live video directly from your security devices.