Doosl DSIT032 2.4G Wireless Green Light Laser Pointer Demonstrator for PPT Lecture Conference Presentation Features: Aluminum alloy body, matte texture, delicate and smooth bright green can be easily seen on any presentation screen, even in bright lights Hyperlinks can also be supported in rooms. It also combines flip-up, flip-down, slideshow, PPT presentation black screen and more functions wireless presenter, equipped with top microchip, wireless range up to 100 meters. Operates on the 2.4G RF frequency, which is an ISM-free frequency and is available worldwide. It's made of nickel-plated metal dome and silicone keyboard, giving you a comfortable touch support page up, page down, full screen, black screen, press and hold the page up button to full screen or exit. Press and hold the Page Down button to black out or exit the mini USB receiver supports plug and play technology. No drivers required Built-in docking station holds USB receivers for easy packing and portability, one USB receiver can be controlled by six transmitters simultaneouslySpecifications: Transmitter Technology: RF Frequency: 2.4GHz Control Distance: 100m Class II Maximum Output: 200m Wavelength: 532nm Battery: 400mA Lithium Polymer Battery Operating Voltage: 3.7V~4.2V Dimensions: 133 x 27 x 13.3mm Weight: 46g USB Receiver OS: For Windows 2003, XP, Vista, For Windows 7/8/10, For Mac OS, For Linux Dimensions: 22.2 x 14.2 x 7mm Weight: 3g Safety Warning: Please note that the 2.4GHz pointer is not a toy; under no circumstances should it be aimed at a person's eyes or passing aircraft. Pointers are not toys and should not be used by anyone under the age of 21. Aiming the beam at any flying object, moving vehicle and any structure where it is illegalPackage includes: 1 x Doosl DSIT032 Pointer1 x USB Receiver