This hand-operated mobile light frame is specially designed for small and medium-sized mobile performances. Its net weight is 36KG, and it can bear 120kg. The height of the hanging lamp is adjustable from 1.7m to 4.2m, and the width of the cross bar is 0.6m. It has 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.