Built-in Wi-Fi and 1000MA battery eliminate clutter and unnecessary cables..."Netflix and chill." just became a whole lot easier, Support DLNA wireless connection smartphones in a WIFI environment.Power: 10W (max)Luminous flux: 25 LMResolution: 640 * 360 (1080p max)Display ratio: 4: 3 / 16: 9Contrast ratio: 800: 1Charging voltage: DC 5V.