COB #60 power: 5W, 10W, 15W, 25W, 30W voltage: 12V, 24V, 30V, 36V cold white, warm white New generation light source COB #D60power: 5W, 10W, 15W ... , 10W, 15W, 25W, 30Wvoltage: 12V, 24V, 30V, 36Vcold white, warm whiteNew generation light sourceany shapes, circular, square, rectangle new kind of light source,COB white LED