... Vision Function 4. Taking Video&Photo 2012 New Arrival Digital Door Viewer with Motion Detection 1. Auto Motion Detection2. Leaving Message3. Video ... is on, if somebody outside, then it records 10 seconds with a voice prompt7. Support TF card up to 8GB, suggest ... for sample, 3-7 days for 100pcsWarranty: 1 year Newest Digital Door Viewer with Motion Detection ADK-T110