This hand-operated mobile lamp holder is designed for small and medium-sized mobile performances. It has a net weight of 21KG and can withstand a weight of 60kg. The height of the hanging lamp can be adjusted from 1.7m to 4.3m, and the width of the cross bar is 0.6m. It has a safety self-locking function. The height can be customized according to customer requirements. Advantages of this simple quadruped: low price, meeting general height requirements, simple use, and convenient transportation. It can be hung up and down. Super strong bearing capacity, anti slip and anti loosening, easy to use, and large utilization space.