"Product name: wireless presenter
Size:148*14.7mm
Color:silver
Battery:2 pcs AAA
Laser light: green laser light
Output power:classII<1mW&ClassIII<5mW
Wavelength:532nm
Logo:print available or engraved
Control distance:over 15m
Certificate:rohs. Fda& ce
Features: 1.green laser pointer, page up and down
2.usb plug, no driver requested
3.system:windows98/2000/ME/XP/Linux/Mac os
4.it support word excel;powerpoint, website,ACDsee. Acrobat reader
5.it is used mostly in presebtation such as meeting,training,speech,teaching
6.infrared technology "