▪ Full Function Remote Control With Source And Navigation Keys ▪ Operates Lynk Reach And Pro Centric Systems ▪ Requires No Programming For Any Samsung, LG, Or RCA Television ▪ Clinically Tested To Be 99% Cleaner ▪ Black Membrane ▪ Requires Two AAA Batteries (Not Included) ▪ Mfg #CR4-B