Infrared Ray Wireless Sensor Bar for Nintendo Wii / Wii U / Wii Mini Console ITEM DESCRIPTION 100% Brand New & High Quality! Get rid of the demerit of original wired sensor bar, greatly extends the controlled space Adopts large angle and infrared transmitter to get more accurate control orientation. No more accidentally pulling the wire or having to locate your Wii too close  to your TV. With unique energy saving mode, games can be played for a long time without  worrying about batteries. Easy installation and portable. INSTRUCTION Correctly install 4pcs AAA batteries* and switch on; Properly place the sensor bar to the position of which you desire (Please ensure the remote control  is within in the remote control area of console and sensor bar and remote  control are in working area),so the remote control and sensor bar can work in best condition Switch on the console and let the remote control get connection with console Now you can use your remote control. PACKAGE INCLUDES 1 x Wireless sensor bar for Nintendo Wii (AAA Batteries are Not included)