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.