outdoor led 3w*18 pcs , used for the building , architecture ... control / master-slave / Voice Light Source: Using high-power LED, factory default for CREE LED (optional such as lumens, K2 ... lamps (completely replace the traditional: Atrium, light, drainage of light, soft light, color changing lights, stage decorating lights) ... Material: Aluminum Projection Distance: 8M pro outdoor led lighting par