The controller is suitable for different TV models.Installation is very easy.Maximum range 8 metersIts buttons are made of rubber and need 2 x AAA batteries which are not included.The controller is suitable for the following models:Sharp, Sony, Panasonic, Sanyo, Hitachi, Toshiba, Philips, LG, Samsung, hISENSE, SKYWORTH, CHANGHONG, TCL, PRIMA, KONKA, THOMSON, DAEWOO, HVC, OPENBOX etc.Dimensions:Length x Width x Height: 16.5 x 4.6 x 2 cm