... Pointer CE&ROHS RF RC Blue Violet Laser Presenter with page up/down New Laser ColorSize:130*18*15mmMaterial:ABSColor:Black ... <5mWLogo: Print availableCertificates: CE&ROHS&FDAFunction: blue violet laser pointer, page up/down. option: flash memory(1GB/2GB/4GB/8GB/16GB ... . It support Word, Excel, Powerpoint, ACDsee, Jpg, Pdf.4. It is used for teaching, meeting, speech, engineer, doctor, astronomy. etc. RF ...