O-CEDER - O -DUST ROBOTIC FLOOR CLEANER SWEEPER VACUUM CLEANING FLOOR SWEEPER. IN EXECELANT CONDITION ! RUNS ON 4 -AA BATTERYS . It's automatic navigational features for all of your hardwood floor surfaces given you time to rest and do other things that you want to get done . The bases is designed two go along edges while the compact design slips under bed sofas and any others furniture to capture dust pet hairs and other dirt. It has two settings the first one last 30 minutes and the second one last 120 minutes of continuing cleaning. The Robatic system changes Direction whenever objects and walls are detected . A sure way to make life easier for your floor cleaning and everyday use.