Wireless Multimedia Mobile Presenter H2620

Function:
1) Laser pointer function,Page up / down function.
2) Turn off screen function
3) To play by hot key function
4) Remote technology: infrared ray technology
5) USB plug and play, no driver requested                                                                                                  6) Fixed focus, dot shape facula, continuous output and working time over 5,000 hours
7) Control distance: over 28M
8) OS: Windows 98 / 2000 / ME / XP system, for Word, Excel, PowerPoint, ACDSee, Website, Acrobat Reader files                                                                                                                                                         9)Wireless optical mouse                                                                                                                    10)2.4GHz Fast RF                                                                   
9) Output wavelength: 650nm, Output power: 5mW
10) Working voltage: DC 3.0V, Trigger voltage: DC 2.3V
12) Working temperature: -10 ~ +40 typical value: 25 ,Storage temperature: -20 ~ +50 typical value: 25