Features This 2.4GHz Wireless Remote Control Red Pointer Presentation Black is small and exquisite, portable and with richer applications. An essential nice assistant for demonstrations or presentations, you can easily point to the PPT or blackboard in any corner of the classroom. Making your demonstrations or presentations seem more dynamic and making listeners feel liberated. This pointer is also the best gift for friends and families No hassle of installation, just plug into your computer's USB port USB receiver is plug and play - no driver required Power, lightweight, suitable to put in your pocket or handbags Specifications Supports MS Word, Excel, PowerPoint, ACD See, website etc, with page up and down function Power: 1 x AAA battery (not included) Switch button Transmission frequency: 2.4GHz Wavelength: 650mm Power: