World Smallest IP/Wifi camera Ai-Ball Powered by CR-2 Battery Linux inside!Yellow US English Manual one CR-2 Battery One Key Chain are inside with Ai-Ball checked every single product in Japan before shipping to over sea Details and specks/manuals are available l With its 802.11 b/g Wi-fi interface, the Ai-Ball allows you to stream and record audio video images through your mobile devices such as your smartphones (iPhones or Android devices) and laptops on the go. Powered by a CR2 battery and coupled with its compact design(30mm in diameter and 35 mm in length + weighing just 25g with battery), you can easily carry the Ai-Ball around or hang it as a keychain. The Ai-Ball is supported by various mobile and PC applications that enhance and expand the your experience with the Ai-Ball. Stream or record your videos from a remote location even when you are far away from your Ai-Ball (e.g overseas) using its Infrastructure WAN mode.With the USB powered Ai-Ball Cradle, you can view or record audio video images round-the-clock. Never miss another precious moment again.