. Virtual display size: 37" TFT-LCD (2M distance); advertising & marketing size :50" . Resolution: 320X240 (QVGA) . Color depth: 24-bit input . Viewing Angle: 26?diagonal . Image Input: Composite AV . Video input format: NTSC/PAL/SECAM automatic selection . Audio: Double-channel stereo . Power supply: 1000mAh Lithium-ion battery . Battery duration: about 8 hours . Power adapter: 5V DC / 500mAh (optional, not included in the packing) . Power consumption: < 450mWa . Net weight: 49g . Color selections: black, white, silver (available for customized colors)