Multiple plugs - Great way to plug lots of low wattage items. Such as night light, mobile phone charger and hair dryer. Hanging particularly heavy devices from the front of it is probably not a good idea.
Holds all the plugs firmly in place - These work perfectly in outlets where you don't have a screw holding the plate on.
Quality electrical consturction - ABS plastic stronger than ordinary plastic, unbreakability and very sturdy.
UL listed - Allows to plug in appliances that require more power preventing electrical shorts.