Product Number: CAP-AC-SENPUUKI Heatstroke Prevention / Heatstroke Measures - For Home, Office, Outdoors, Camping, Tents, Sports Events, and Fireworks Displays - Portable [Outdoors] Can be attached to tents or chairs. [Going Out] For use in cars, strollers, parasols, etc. [Indoors] Office, home, etc. Size: Width 15cm x Depth 9cm x Height 20cm Material: ABS resin - Uses 4 AA batteries (batteries not included) - USB cable included (can be used by connecting to a USB port) Shipping is not available to Okinawa and remote islands.