This laptop was gifted by my aunt to me I love this product a lot its performance is best it works very fine well and good .Its battery back up will long last for atleast three hours .Its display size is 15.5inches display type is TFt its weight is 2.7 kg its display features is tft colour display ( VAIO) display led backlit .Its core i5 2nd generation it has 4gb ram 500gb windows 7 512 mb .Its just an awesome as it looks its best very nice as soon as my aunt gave this laptop I was very glad because by seeing its specification I was really very happy it was as I really loved it .I had liked same this much configuration laptop its efforable for money too anyone can effort to buy .i like my sony vaio vpceh28fn a lot .Thanks for reading my review : )