With 4 Functions, Turning Indicator, Flash, Off-Delay, Reduce Light. Great Add-On-Item For Controlling Headlamp, Drl Or Side Lights. Allow You To Connect Your Drl Lights So That When You Start The Car The Lights Turn On. Easy To Use Suitable For Most 12V Vehicles Without Decoding. Used For Lights Under 30W. Package Includes: 1 Set Drl Controller