... special surface treatment technology give the lightbetter anti-corrosion, waterproof, dust-proof performance. 6. Variety installation methods for the lamp, ... -360lm, MR16/GU10/E27,trac dimmable, 15° /25°/45°/60°/140°, bridgelux led chips, suitable for Hotel, Exhibition Hall, ... /Cree/Rebel led chips; trac dimmable, 15° /25°/45°/60°/100°,2 years warranty, suitable for Hotel, Exhibition Hall, Meeting ...