The Hama Greenlight Pointer 4in1 wireless laser presenter is recommended for bright environments thanks to its green laser beam. Thanks to its powerful beam of green light, the laser pointer is easily seen on LCD and LED screens, making it ideal for meetings, trade fairs, training, etc. It is easy to hold and can be used precisely thanks to its large buttons. Other highlights: - Laser point, full screen/black screen by pressing a single button - Scroll through presentations (PowerPoint and other Office applications) - Stowable USB-A receiver System requirements: Operating system: Windows 11, 10, 8, 7