Adapter 12V/2A

No hassle setup, simply plug into your computer’s USB port USB receiver is plug and play - no driver required Power saving, lightweight, suitable for putting in your pocket or handbags This high quality laser pointer adopts the latest technology green laser optics and microelectronics Supports MS Word, excel, PowerPoint, ACD See, website etc, with page up and down function Presentations from up to 10 meters away