red laser pointer ,page up and down,power switch.slide play and blank screen with RF technology
incorporated shape.

Red laser pointer, page up/down,switch key (shift to model A or B).slide play and blank screen function .433MHz RF technologUSB plug. No driver requested. logo print available control distance;over 15M output power:class11<1MW,class 111<5MW Uses:1pcs 3A battery It supportsWord,Excel,PowerPoint,ACDSee,Website.Acrobat,Readre etc. Dimension:L144mm*22.7*22.7mm   receiver size:58*17*12mmFor Teaching .meeting.speech.training etcUnit weight:  31g(including battery)   Gross weight:110gPacking size:40*31*38cm