Amazon.ca Last update was on: January 14, 2026 1:22 am
- 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. The A4s even cleans under beds, along the walls and around the clutter..Dirt can not hide
- Superior battery-group brings up to 140mins cleaning time and prolonged life time.
