Brinno BCC100SJO Construction Time Lapse Camera with Solar Joos Charger View 2 months of construction in just 2 minutes Produces ready-to-view video at the push of a button with no need to spend hours on post-processing Preview screen allows for precise framing of scenes The interval between frames is selectable between 1 second and 24 hours Powered by 4AA batteries (included) or Joos Orange solar panel (included)