Description * Fan 1 control voltage from 7V to 12V * Fan 2 & Fan 3 control voltage from 0V to 12V * Adjust to either On/Off or sound activated * Stylish Aluminum housing with Ultra-Bright LED light Specification * Panel:102x110x25.5mm * Stainless steel Cover: 98x93x19mm * Rated Voltage: 12V and 15V * Operating voltage: 11~13V and 4~6V * Quantity of regulated output: 3line * Regulated max power output:<30W * Vol of Fan1 : 7~12V * Vol of Fan 2&3 : 0~12V * Color of LED: Blue