A device or control that is very useful for a particular job
Contraption
Contrivance
Convenience
Gadget
Gismo
Gizmo
Widget
Device
Gadgetry
Injector
Mod con
Gimbal
Durable goods for home or office use
Durable goods
Consumer durables
Durables
A/c
Air-conditioner
Drier
Dehumidifier
Home appliance
Household appliance
Humidifier
Air conditioner
Dryer