Today (11/17) only, grab an ILIFE A4s Robot Vacuum Cleaner for only $149 when you use coupon code CF2UIP2P! This vacuum gets 4.5 stars from over 1,000 reviews! 3-step cleaning system with a strong suction provides thorough and concentrated cleaning. Automatically starts on its scheduling program and returns to docking station to recharge when battery runs low. Multiple smart sensors avoid bumping around or falling off stairs.