Lidl Parkside Electric grass Trimmer , cheap but powerful

Lidl Parkside Electric Lawn Trimmer 

Type of grass trimmerCorded electric

Corded electric grass trimmers are mains-powered and have a power cable attached to them. Cordless electric trimmers are battery operated, and petrol trimmers are powered by petrol that's added to a built-in fuel compartment

Line-feed methodBump

As the trimmer is used the nylon line that cuts the grass wears down, so more line is fed out. There are different methods of releasing more line. Some trimmers do this automatically when the trimmer is started and are known as 'line fed', some require you to tap or bump the trimmer's head on the ground and are called 'bump feed', and on some manual feed trimmers you have to pull the line out yourself. A small number of trimmers use plastic blades instead of line which need to be replaced when they've worn down.