Features: *For lamp head, it can turn and contract with the features of easily transport and storage and the turning lamp frame matched with the impact spring. *For the connection of power wires, adopts aviation socket for easy connection and working safety reasons. *Metal halogen lamp with more than 10, 000 hours service life. *High freely anti-back mechanism makes sure its safety an stability. Two brake universal wheel guarantees the convenient turning and reliability. *Special elevating mechanism makes sure its elevating flexibly and can be interlocked automatically. The supporting frame is stainless steel rectangle tube with beautiful appearance and durable features after polishing treatment. *The lamp head can be adjusted freely to realize the best lighting effect.