Still the greatest thing to happen since IR remote control. The award-winning Remote Extender is now improved and we call it Remote Extender Plus. Simply install our battery transmitter in place of one of the AA or AAA batteries inside your remote control, then point the receiver or attach the bright eye emitter to the components you wish to control. Now you've converted your existing IR Remote to Digital RF, giving you the freedom to go from room-to-room and control your components anywhere in the house. The Remote extender plus gives you the ability to control two same brand components independently. Works with most AA and AAA remotes Single-Eye IR Emitter included Receiver has built in charger and comes with (2) 2/3 AA specially sized rechargeable batteries. Available in 433 MHz frequencies Blister package