What are the main technical parameters of electric chain saws?

Noise: The noise level of an electric chain saw, generally expressed in decibels (dB), is also one of the factors to consider when considering buying a chain saw.Oil tank capacity: refers to the capacity of the electric chain saw to store lubricating oil, generally expressed in milliliters (ml) or ounces (oz).Protective function: refers to the safety protection device of the electric chain saw, such as brakes, rebounders, and so on.