This hand-operated mobile light frame is specially designed for small and medium-sized mobile performances, with a net weight of 36KG, a bearing weight of 120kg, an adjustable hanging lamp height between 1.7m and 4.2m, a cross bar width of 2m, and a safety self-locking function. Height can be customized according to customer requirements. Advantages of this simple quadruped: low price, can meet the general height requirements, simple use, and convenient transportation. It can be hung up and down. Super strong bearing capacity, anti-skid and anti-loose, easy to use, and large utilization space.