Axess 7-Inch AC/DC, LCD TV with ATSC Tuner, Rechargeable Battery and USB/SD Inputs, TV1703-7 7-inch Widescreen LCD TV Resolution: 400 x 234 ( Max: 800 x 480) Built-in Lithium Rechargeable Battery last 1.5 - 2 hours depending on use. Built-in speakers and built in earphone jack Full function remote control. This product only has a AC power supply. Refer to the PDF attached below in Technical Specification for User Manual IMPORTANT: Device has an ON/OFF switch on the lower left side that must be turned on prior to charging and use.