Using amorphous silicon TFT as switching device, Model 13-070WMLB00A1 features 7.0 in. diagonally measured active display area with WVGA 800 x 400 pixel resolution and luminance of 1,000 nits. LED-backlit unit has max power supply voltage of 4.0 V and typical voltage of 3.3 V. Operating from -20 to 70°C, color active matrix display provides adjustable frequency from 19–21 Hz, contrast ratio of 500, and 30,000 hour lifetime.