Stair detection
- This feature, now standard across almost all models, helps the robot sense when it has reached a ledge or step so it can back off and avoid a damaging tumble.
Virtual wall
- An accessory used to create an invisible barrier, for blocking off open doorways or other areas you don't want the robot to enter.
Programmable times
- This handy function will allow you to set times of the day or week to run the robot – for instance, you could set it to run only while you're away at work.
Charging
- When the battery charge is low the robot vac finds its way back to the charger and docks automatically. All the tested models do this.
Noise
- Robot vacuums (like IROBOT BRAAVA JET 240 MOPPING ROBOT ) are generally quieter than standard vacs, but some have an annoying high-pitched whistle and others make a mechanical grinding noise. This may be less important if the robot mainly runs while you're out of the house, but these two sounds may be loud enough to annoy neighbours or pets.
Remote control
- Most models come with a remote control to change the settings or direct the vacuum around the room. But if the robot needs too much overseeing by its owner, you might find that using a regular vacuum cleaner is the more effective (and cheaper) way to go.