Other factors to consider include the weight of the trimmer, the length of the blade, and the type of blade (dual-action blades are generally considered to be more efficient and effective).

We found that the GARCARE Cordless Pole Hedge Trimmer Electric is a great tool for trimming hedges and bushes. The dual-action blade cuts efficiently and the 6-position pivoting cutting head ...

Some users found the Craftsman trimmer on the loud side. However, I did not discern a noticeable difference in decibel levels ...