This 40 inch slim LCD TV based on LED backlighting has 4 speakers including woofer (output of 200 watts) with SRS TruSurround HD as virtual surround. It has 100 programs with convenience features like PIP (1 tuner), auto-off, auto sound leveler and OSD. This LED based panel has Mega Dynamic contrast ratio with Full HD resolution of 1920 x 1080 pixels. Along with composite, component input, PC input and 4 HDMI Inputs it has USB Port (MP3/Photo) means more flexibility to attach digital devices. It also has Digital Audio (optical) output. This TV has viewing angle of 178 degree and faster response time aided by 100Hz double frame rate technology enables the it to display natural, fluid motion without any blurring or ghosting effects. Its LED backlighting reproduces the rich hues and blacks of the original image. Its LED Backlighting is also energy saving one.