1.2.4G wireless presenter 2.USB laser pointer,page up and down,blank screen 3.Red laser presenter with CE &RoHS Features Easy-to-use 5 ... Word ,Excel,Powerpoint,ACDSee,Website,Acrobat Reader etc9.For teching ,Meeting,Speech,Training etc. 2.4G wireless presenter ,USB laser pointer ,Red laser presenter with CE &RoHS ...