Product, easy to use and install More than 10 blinking methods, compatible with many LED lights External flash mode available when fully connected Low power consumption, long service life Suitable for cars, motorcycles, and other applications Operating Voltage: 12V DC Maximum Power: 12V / 48W Ambient Temperature: -40 to +50 Celsius Dimensions: 46 x 28 x 13mm Material: ABS Black Flashing modes include: - Steady light - 4 groups of lights flash alternately - 12 groups of lights flash together - Alternating flash - 3 groups of lights quickly and alternately flash - 4 groups of lights flash together - 4 groups of lights flash alternately, then flash together - All lights flash alternately on and off - All lights flash on and off alternately, then blink on and off together - All lights flash on and off together Instructions: Connect the terminal to the controller; avoid pulling too hard on the cable to prevent poor connection For red and black cables (approx. 1.2m), connect red to the positive terminal of the power source and black to the negative For white and black cables, connect white to the positive terminal of the lamp and black to the negative Turn on the power, press and hold the MODE button on the controller for 23 seconds to activate, then press the MODE button to cycle through flash modes Avoid exposure to water and direct sunlight Includes mounting adhesive and LED indicator on the controller This is a 2-way strobe controller Package Contents: 1 x Controller 1 x Cable 1 x Adhesive Only the items listed above are included; other items are not included Note: Lighting and display differences may cause slight variations in color between the image and actual item. Measurement error allowed is +/- 13cm