Pro 360 72-P360 Wireless Umbrella Speaker System with LED Lights Features and Benefits: Easy to use - Simply plug the transmitter into your TV, Hi-Fi, MP3, MP4, iPod, DVD, CD or computer. 2 six LED lights with 5 adjustable angles. Crystal clear sounds from any music source.Easy to attach and durable construction Transmit range of 50 feetSpeakers require 6 "AA" batteries (not included) Transmitter requires one "9V" battery (not included) or use included AC/DC adapterSpeaker/light unit measures 7.5-Inch in diameter Fits poles from .75 to 1.25-Inch in diameter