Pro Select Crate Fan AC Adapter, 6-Volt The convenient 6-volt AC adapter allows our ProSelect crate fan to be plugged into standard wall outlets This eliminates the hassle of buying and replacing batteries The AC adapter has a 6-feet cord to make it easy to plug in anywhere Designed for use with both the standard crate fan and the deluxe thermostatic crate fan Measures 3-2/7-inch length by 2-1/2-inch width by 1-1/2-inch height