Wireless Handheld PC Keyboard and Mouse Touchpad For the Lecture, Meeting Presenter, Classroom Teacher, Sales Manager, or anyone using a projected image, the Wireless Keyboard and Laser Pointer allows you to stand in front of your meeting and change slides, select screen options, write on the projected image, emphasize words and objects with dynamically inserted lines, draw on the projected image dynamically. For people who want to watch internet TV on their PC compitable TV, via broadband and a PC, like NBC, ABC, FOX and IPTV, you can sit in your easy chair and select your viewing pleasures without walking to your computer to change channels or scroll through options just use wireless handheld keyboard as an internet remote control Wireless remote control of your PC. Adds a professional tool to your teaching, presentation, conference, presentation and HTPC Convenient size 2.4GHZ DSSS radio transreceiver, 10M/32 feet radius Backlit keyboard for convenient operation in darkened room. Built-in Laser Pointer (optional). Demension:85mm135mm10mm/3.3"5.3"0.4"