Usage Tips:Size: Module Box Size: 1.75in (4.39cm) x 0.50in (1.25cm) x 0.15in (0.38cm) Color: White Voltage: 5-24V Cable Length: 23cm Wire Connection System: Red (and) Black (-) Weight: 10g/pc model: 5pcs /lot Memory function: Turns the power to these modules off when flashing, and they automatically flashing when the power is turned back on A great accessory for the performance tuning for your solo-color light, LED daytime running light and any other 12V LED bulb. Integrated controller with both solid lighting and 4-way flashing strobe functions. Speed or Brightness changeable by simply press the button to meet your application. SPEED/ button: When Strobe Flash Function is on, press this to change flashing speed, when Solid Brightness Function, press this to change brightness Easy installation. Material: plastic Package Contents: 5 x Wired Control Module Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.