Refresh Rate: 240CMR (Effective) Backlight: LED Smart Functionality: Yes, Built in Wi-Fi: Yes

MULTIPLY SIZES FOR DIFFERENT POPULATIONS OF FAMILY, WITH HIGH REVOLUTION PROVIDES CRISP PICTURES - Size including 24"(S2419D18), 32"(S32Z118), 43"(SF43D1118) and 55"(SU55Z118) for applying to 2 to more than 6 person family, from small size saving space to luxurious size meeting different demands, but all with high revolution for showing crystal-clear pictures with deep, vivid colors. DIMENSIONS(W x H x D) AND PACKAGE - Details of dimensions as following bullets of different model listed, all packed with feet stand as well as optional wall-mount bracket, placed properly anywhere you want. FLAT SCREEN LED TV WITH 60 HZ REFRESH RATE - Light and portable television with 60HZ refresh rate, makes the fast moving action scenes very smooth.