Logitech's Cordless 2.4 GHz Presenter lets you manage your time during presentations with a built-in and programmable LCD timer. The automatic 5- and 2-minute vibration warnings will let you focus on your presentation. <br><br>With 15 metres (50 feet) of cordless range, you can move around an auditorium with confidence. It does not require any software. Just plug it in and voila it works. You'll enjoy features like launch slideshow, black screen and volume control, plus an integrated laser pointer. (Rs 4,995) <br><br>