Hummer 5-channel fan controller is perfect for those who need to turn cooling fans on or off anytime they choose. You can also power lights and other 12V devices with the Hummer. The high quality military style switch looks great and is easy to use. Package contains the fan controller unit and cables with molex 4-pin connector for connecting to 12V devices such as cooling fans and lighting. Package includes fan controller unit and cables needed to connect to 12V devices. This is the black version with green acrylic bezel insert.NO FULL REFUNDS OR RETURNS to customers who decided they simply do not want the product anymore. There will be a 25% re-stocking fee for returned or refunded products. Returned retail packaged product opened by the customer is non refundable. We will replace any Dead-On-Arrival (DOA) item if you contact us within 2 weeks from the day you receive the merchandise. There is a Warranty of one year after the product is received. Warranty is VOID after one year or if product is damaged by any user misuse.