(and a 0.45x wide angle lens), with the Interval Recording feature set to take one image every 30 seconds. Playing back will display 30 images per second. If you do the math, that means: 1 hour equals 4 sec of time lapse footage. 1 day equals 1 min, 36 sec of time lapse footage. 5 days equals 8 min of time lapse footage. From the sunlight streaming in through the doorway, you can tell that Wednesday morning starts at about 1:07, Thursday morning at 2:43, Friday morning at 4:19, ...