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Laser pointer with USB receiver Page up/down function Fashion appearance Supports Word, Excel, Powerpoint, ACDSee, Website, Acrobat Reader etc Wireless control up to 100 feet (30m) USB plug-and-play. No driver required. System: WINDOWS98/2000/ME/XP Linux & Mac OS
RF characteristicsFrequency Range2.4GHz -2.483 GHz Channel Spacing1 MHz Channel No.16 Channel I.D65535 Data rate250K bps Rx Sensitivity-85 dBm Distance About 30m/indoors Antenna typePCB Track Input power USB Power5 V Power consumptionNormal operation35mA Wavelength: 635nm Night: the distance of laser pointer can reach : about 100M
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