Inflates with battery-operated fan Requires 4 AA batteries (not included)Installation instructions:1: Use a screwdriver to unscrew the screw in the battery pack, put in 4 AA batteries in battery pack, then fix the cover .2: unscrew outer fan ring counterclockwise ,screw outer fan ring back into place to secure fan to costume ( usually, the fan is installed in costume, you can pass this step ).3: plug in power cord from battery-pack to fan.4:step into costume and clip battery pack to your own clothing. Move battery-pack switch to ON position. It wil take about some minutes for air inflating. with our strong power blower fan, you dont need to wait too long .5: Finishing! Inflatable costume has been inflated enough, you can walk now.
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