1. Lamp cover is with natural silicone gel seal gasket and tight PC or stainless steel lock for excellent waterproof performance and the IP65 grade 2. Lamp housing is made of imported high quality ABS or PC 3.Diffuser is made of PC for long usage life 4. PC clips are for wire layout due to electricity safety Prismatic diffuser design for even light, efficient usage and good dazzle resistant effect 5. Direct pulsing and rotation installation for light tubes to guarantee safety and reliability while tube replacing, in addition to convenient maintenance 6. Easy and fast ceiling installation 7. Curve corners and edges for stylish appearance 8. Integral and smooth housing for easy cleaning Model Number:XP7218B Specification:2*18W IP Pating:IP65 N.T:14.5kgs/pcs G.T:17KGS/PCS external Dimension:65.5*16.5*11cm Carron Dimension:67*33.5*32.5CM PTY/Carrton:8pcs/ctn Materialsú¦PC diffuser + PC base PC diffuser + ABS base PS diffuser + ABS base PMMA diffuser + ABS base