Click to expand Tap to zoom Logitech R500 Wireless Grey Presenter by Logitech Sale Rs.8,499.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Bluetooth low energy technology 2.4GHz wireless connection Battery and Connectivity LED Class 2 laser Wavelength 640 - 660nm Red light 1 - Year Warranty View details on the manufacturer's website