Detail: *DC Transformer Adapter converts DC 36V-72V input to DC 12V10A/20A output. *Features over-current protection, over-voltage protection, short circuit protection, built-in insurance. *Suitable for two high-power electric motorcycle appliances, such as vacuum lamp, xenon lamp, etc. *With high performance and stability. *Item Condition:100% Brand New *Color: As Pictures Show *Dimensions:9*5*3.3 cm(12V10A), 11*5*3.3cm(12V20A) *Input:36V-72V *Output:12V 10A/20A, 120W/240W *Connecting Wires: Red is the input positive, Black is the common negative, Yellow is the output positive. Package Contents: 1*DC Transformer Notes: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.