Description: Input Voltage: 10-30V DC Output Voltage: 12V DC Output Current: MAX 1A Material: Plastic ; Color: Black Size(L x W x H): Approx. 58 x 40 x 22 mm / 2.3 x 1.6 x 0.9 inch Package Includes: 1 Piecce Regulator Note: The yellow cable is connected to the output positive pole, the red is connected to the input positive pole, and the black is connected to the cathode