( black color ) SereneLife Robotic Vacuum Cleaner - Robotic Auto Home Cleaning for Clean Carpet Hardwood Floor - Bot Self Detects Stairs - Air Filter Pet Hair Allergies Friendly is up for auction in Appliances. The current bid is $21.00, 86% below the $148.49 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.