SPECIFICATIONS 

• Brand: POLYVISION
• Model: XM-B04-MIC
• 4-Channel HD Digital Video Recorder
• 4-way audio in
• 5 in 1 DVR - It supports multiple camera types: HD, TVI, AHD, NVR, CVI
• H.265 and H.264 video compress
• High definition (HD)
• Support TURBO HD video output
• Easy smart search for motion event during playback
• HDMI output supports video at up to 4K resolution
• USB x 2
• DC12V/2A
• Power consumption ≤ 10watts
• Live View from Smart device or Internet 
• Multi-channel synchronous playback 
• Hard disk supports: 1HDD up to 6TB support - sold separately
• iCloud Software also included, XMEye. It is available on Windows, iPhone/iPad/Mac, Android