CBConcept&reg; RBFSMD5050-WW Warm White 19.6" 12Volt LED Rigid Light Bar; [Flat Aluminum Channel Profile] [30 High Power SMD5050 LEDs] [Water Resistant] [Linkable] [Female & Male DC Barrel Plug Power Wires On Both Ends ] [Display Case Lighting / Under Cabinet Light] CBConcept RBFSMD5050-WW Warm White 19.6" 12Volt LED Rigid Light Bar; [Flat Aluminum Channel Profile] [30 High Power SMD5050 LEDs] [Water Resistant] [Linkable] [Female & Male DC Barrel Plug Power Wires On Both Ends ] [Display Case Lighting / Under Cabinet Light] Uniform Illuminations Voltage: Low Voltage 12Volt. Transformer is required to connect with household power outlet, and it's not included. Clustered high intensity LED chips form a bright, evenly spreader linear directional light strip for your application Energy saving LED technology and components. Use as little as 20-Percent to 25-Percent compare to incandescent light bar, and super long useful life