Features:

100% Brand new and high quality
Mini shape,light weight and waterproof 
Fit for all Brand of cars 
Time-lapse power off function 
SImple installation,with no need to change any electric line 
Intelligent start up:when the engine is started,the daytime running lights light automatically.when the engine is flameout,the daytime running lights turns off with the delay of 15s

Specifications:

Color: Black
Material: ABS
Size: 4.7 x 2.5 x 1.5cm(L x W x H)
Weight: 32g
Voltage: 12-18V
Working current: 3A
time-lapse power off: 15s-30s

Wiring Instruction:

The red and black wire (the end with a fuse) are connected directly to the car battery + & - .
The red wire goes to positive pole of the LED daytime running lights, the black wire of the output end is to goes to the negative pole of the daytime running lights.
The yellow wire is to connect to the headlights (or dashboard lights), when headlights or dashboard lights are turned on, the brightness of the LED daytime running lights will be halved.

Package contents:

1PCS daytime running lights controller