?Laser pointer
Slide changer (page up/down)
Turn off screen function
Multimedia controller
Receiver can be built-in with USB flash memory
All-in-one design
2.4GHz RF technology
USB plug and play, no driver requested Fixed focus, dot shape facula, continuous output and working time over 5,000 hours
Control distance: over 28M
OS: Windows 98 / 2000 / ME / XP system, for Word, Excel, PowerPoint, ACDSee, Website, Acrobat Reader files Output wavelength: 650nm, Output power: 5mW
Working voltage: DC 3.0V, Trigger voltage: DC 2.3V