・Basic Functions:Page up and down,full-screen black screen,multi-window switching,hyperlinks ・Special Functions:Digital laser (variable spot shape),touch writing,screen marking,volume adjustment ・Support System:Compatible with IOS system,Windows7 or above,XP,etc. ・Support Software:PDF,WPS,Prezi,web page,office software,etc. ・Silicone nib for responsive and smooth writing ・The light spot is clearly displayed on the LCD screen,and the shape of the light spot can be individually set ・With a magnifying glass,spotlight,line drawing,and other functions ・Switch between multiple scenes with one click ・Adopt 2.4GHz wireless remote control technology to demonstrate more abundant and flexible ・USB charging,a full charge takes only 60 minutes ・One-piece design,magnetic attraction,not easy to lose Specifications: ・Transmitter working voltage:1.5V ・Output power:about 2mw ・Receiver working voltage:4.5-5.5V ・Battery capacity:160mAh ・Remote control distance:100 meters ・Dimensions:150x19.5x11.3mm ・Weight:30.5g Package included: ・1 x Presenter Clicker ・1 x Charging Cable ・1 x Storage Bag ・1 x 8G Metal U Disk ・1 x English and Chinese Manual