This lamp has Two lines, the positive wire line and the negative wire line; Very easy to connect. Light Color: Emit Super Bright White / Red / Green / Warm White / Yellow / Blue Light. Light Quantity: 30LED. Voltage: DC 12V. Power: Super Bright 12W. Features: Highlight, Waterproof. Daytime running light improves safety while driving and allows your vehicle to be seen at much further distances. Greatly improves reaction time of oncoming motorists. This lamp can be used as DRL lamp/ Signal lamp. Longer life LED lifetime up to 5000 hours, minimal maintenance cost. Easy to use. Easy and simple to install. Higher Bright LED consumes far less power than a standard bulb white maintaining optimal light output.