GearBest offers the Ilife A6 Smart Robotic Vacuum Cleaner in Black for $229.99. Coupon code "bestdealus12" cuts it to $182.99. With free shipping, that's the lowest price we could find by $17. It features a 2500-mAh Li-ion battery, tangle-free rubber brush, auto cleaning, spot cleaning, max mode, edge cleaning, and mini-room cleaning modes, and auto recharging. Deal ends January 2.