Universal Chrome Heavy Duty 6. Dash Fan** . Cool yourself off on hot summer days while out on the golf course or just joy riding . Durable Metal Construction . 2 speeds for maximum air flow . Improves cooling in hot weather, and defrosting in cold weather . Adjustable base . Measures 6. . Universal Fit, mount to dash or roof if desired . has on/off switch . Easy installation . Use with any 12 or 24 volt DC power supply only . Includes all mounting hardware . Perfect for yourself or as a gift . Professional Installation is highly recommended. We do NOT offer technical support**