LED flexible strips light has the following advantages 1. Rolled Copper FPC, with yellow and white can choose 2. The use of ultra-high brightness SMD5050 LED 3. Low-voltage DC, safe and reliable 4. Optional colors: blue, white, warm white 5. Lifetime is up to 50, 000 hours Small size and cool light output make the Flexible LED Strip ideal for a wide range of applications, such as cove lighting, back lighting, illumination lighting, guidance lighting, channel letter and other narrow area lighting. Mechanical Specifications:Dimensions :Width 10mm heightmax 3mmWeight: 150g/500cm (Non waterproof)Length:500cmLEDs Spacing:33mmline wire length: 1mOperating Temperature: -20°C 60°C / Non waterproofElectronical Specifications:Input Voltage:12VDC Max Power:0.24w/LEDSingle LED viewing angle:120°