... the lamp 3mm, the width in only 10mm in sum. Light distance is 10mm, group distance is 38mm. Each unit has ... lenght, waterproof and non-waterproof.LED colors: red, yellow, blue, green, white, warm white, purple, full-color and other colors.Installation method ... words, signs, logos, advertising light boxes, car decoration. It also can be used as a variety of decoration and stage lighting. LED Light