This document provides specifications for several portable light tower models: - The ZW3500, ZW3510, and ZW3520 models are remote-controlled light towers with mast heights from 1,750mm to 3,500mm and lamp outputs from 10,000lm to 20,000lm. They are suitable for construction, maintenance, and emergency work sites. - The ZW3530 is a portable LED work light with a maximum height of 2.8m, 60W lamps, and a light output of 6,996lm. It is powered by 220V and suitable for night work tasks. - The documents provide each model's key technical specifications like voltage, power output, light output,