Wireless USB PowerPoint PPT Presenter RF Remote Control Laser Pointer Pen 2.4GHz MP-1922

Specifications: Technology: Radio Frequency Frequency: 2.4GHz Control Distance: 100m Class 2R Max Output: Distance: 200m Wavelength: 650nm Battery: AAA*1 Working Voltage: 1.5V Dimension: 139.2*18.2*19.7mm Weight: 25g Operation System: Windows XP, Vista, 7/8/10, Mac OS, Linux Dimension: 21.95*13.8*7.15mm Weight: 30g