High-Efficiency Particulate Air is a standard of air filter. By this standard an air filter must remove 99.97% of all particles greater than 0.3 micrometre from the air that passes through.
A device with an allergy filter can remove allergens and dirt from the physical surfaces in your home. It can make your indoor air cleaner and more breathable.
We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
The device has a longer hose which makes it easier to clean high places with an attachment, and it's less likely that the unit will tip over when doing so.
This system supports two-way communication between a microcontroller in the handle and a suction motor and various sensors in the canister. You can easily adjust the suction power for different floorings.
The power consumption in standby mode, also called energy-saving mode, measures the amount of power the device consumes when shut down but still plugged in.
Battery power, or battery capacity, represents the amount of electrical energy that a battery can store. More battery power can be an indication of longer battery life.