*High pure aluminum die-casting products are applied in lamp gasket,ornamental lobes,power seats and lamp tines. *Inner and external prism design is applied in transmission housing with an inported PC of 93% transmission rate. *Metal halide lamps and high pressure sodium lamps of 70-150W, energy saving lamps of 65W or below are applicable *protection grade Ip65. *Applicable to urban roads,parks and communities,etc.