Olevia RC-LTU RCLTU 537B11 537B12 537H 542I 742I 747I 537B11 542B11 Remote Ctrl. Universal Remote Control Fit For Olevia RC-LTU 2500005701 537-B11 537-B12 537H 542-B11 542I 742I Plasma LCD HDTV TV Do not need any program, only put into new battery can work well. USA Seller, quick shipping! 30 days Warranty!