HDE Wireless Infrared IR Ray Motion Sensor Bar for Nintendo Wii and Wii U Console (Black) Replacement wireless sensor bar for Nintendo Wii & Nintendo Wii U game consoles Works in conjunction with the Nintendo Wii Remote (Wiimote) and Nunchuk Wireless technology lets you free up cables and avoid clutter | Operates up to 10 feet away Includes stand with adhesive for easy attachment to tv, monitor or any smooth surface Up to 12 hours of battery life on 4 AAA Batteries (not included)