◆Materials, qualities and special features: Plastics pre-buried articles. Stainless steel stretched outer shell. 8mm armored glass heat-resistant silicon rubber tight-sealing ring 5mm stainless steel surface frame Integration of lamps and electrical appliances Water-resistant tight-locking coil out ring. ◆ Range of application: Suitable to be used for sculptures, gardens and forest and foot-walking atreets and squares.