... light 2.Led power:9w 3.Aluminium material,high luminous. 4.MQO:30p Recessed ceiling grid spotlightSpecification:LED quantity/type:27pcs ... : warm white (2,700 to 3,500K); neutral white (3,800 to 4,800K)Luminous flux: cool white: 370lm; warm white: 300lmColor ... performance test.2.Grounding Resistance test.3.Pulling Force test.4.Dumping test.5.Torque Force test.6.Dropping test.About ...