Kensington Presenter Expert Wireless Cursor Control with Red Laser. Wireless technology: IR, Wireless receiver interface: USB, Frequency band: 2.4 GHz. Product color: Black, Laser pointer color: Red, Country of origin: Taiwan. Windows operating systems supported: Windows 10, Windows 7, Windows 8, Windows 8.1. Quantity per pack: 1 pc(s), Package width: 2.72" (69 mm), Package depth: 5.31" (135 mm)