World39;s Smallest HD camera It has a TF memory card slot with 32GB support (4GB TF card included with SD card converter) and a built-in lithium ion battery that recharges with a USB cable. A full charge delivers about 4.5 hours of use or 120 hours of standby readiness. If the World's Smallest HD Camera runs out of power while you're recording, the camera will stop and save the file before automatically powering off. The World's Smallest HD Camera generates picture and audio files in AVI format, so you don't need any Generates high resolution video with audio Not actual LCD screen, images must be viewed on a computer Built in rechargeable lithium ion battery USB charger/computer cable included