... , waterproof, dust-proof performance. 6. Variety installation methods for the lamp, simply installation and operation. Product Show Our ... chips, 80-85lm/w, 2 years warranty, aluminum pcb(MCPCB)suitable for Hotel, Exhibition Hall, Meeting Room, Hospital, Showcase, ... 15° /25°/45°/60°/140°, bridgelux led chips, suitable for Hotel, Exhibition Hall, Meeting Room, Hospital, Showcase, Interior Decoration, ...