Logitech Wireless Presenter R400 Black (910-001354) 990.- est. delivery in 2-4 days Key Specifications 2.4 GHz Wireless TechnologyClass 2 LaserLess than 1mW Output20-hour Maximum Battery LifeWireless Distance Approx 10m SKU:#000563 Product No.:CORDLESS_PRESEN_R400 Short link:http://i.nvade.it/95 See specifications from the manufacturer Description Specifications 3 years warranty by Logitech R400 LASER PRESENTATION REMOTE For basic slide navigation CONFIDENCE BOOST Intuitive controls and red laser pointer make presentations a snap, even in the darkest auditoriums. READY TO GO No software needed, just plug the receiver into a USB port and you’re ready to go. INTUITIVE SLIDESHOW CONTROLS Buttons are easy to find by touch. And the smooth contours feel great in your hand. You’ll be in control from the first slide to the last.