Video is viewed with the built-in 3.5" LCD Screen or you can connect it to your TV. Data can also be transferred to a computer via High Speed USB 2.0 with included cable. Also, with built-in voice recorder, unit can store about 910 hours of audio. This unit is great for body-worn applications and fits easily into a fanny pack. Includes: AC/DC Adaptor, Lithium-Ion Battery, Carrying Case, Stereo Earphone, A/V Cable x 2, USB 2.0 Cable Key Features • 5" x 3 3/8" x 1 3/8" • Ultra Small DVR • Great for body-worn applications Specifications: Video Recording: MPEG-4 Video Recorder/Player Resolution: 320X240 Pixels Power: DC12V /100~240 AC Adaptor Size: 5"(W) x 3 3/8"(H) x 1 3/8"(D) Weight: 12 ounces Storage Capacity: 20GB Hard Drive Display: 3.5" LCD with LED Backlight Interface: High Speed USB 2.0 Battery: 7.4 V 1800mAh rechargeable LI-Ion