If you're passionate about IT and electronics , like being up to date on technology and don't miss even the slightest details, buy Pointer Logitech 910-001356 10 m at an unbeatable price. The Logitech R400 is a wireless presenter specially designed to facilitate professional presentations with precision and comfort. Its black color gives it an elegant and discreet look, while its 2.4 GHz wireless radio frequency connectivity offers an effective range of up to 15 meters , ideal for overcoming the usual distance between presenter and audience without interruptions. This device features a practical on/off switch that helps save power, complemented by a battery status indicator , making it easy to anticipate when batteries need replacing or recharging to avoid surprises during presentations. Its operation is simple and fast, thanks to Plug and Play technology via a USB receiver that requires no software installation just plug it in to start using it instantly. The class 2 red laser pointer, with a wavelength between 640 and 660 nm and an output level below 1 mW, provides a visible and safe signal to clearly highlight key points on slides, even in low-light environments. The device runs on two AAA batteries, offering up to 20 hours of laser pointer use and up to 1050 hours for the remote, ensuring long-lasting continuous use. Its compact dimensions of 37.8 mm high, 115.5 mm long, and 27.4 mm deep, along with a light weight of 57 grams, make it comfortable to handle for extended periods without fatigue. Additionally, it includes a protective case for easy transport and storage of the device and its USB receiver, which measures 16.5 x 58.6 x 7.9 mm and weighs just 6 grams. This model is compatible with operating systems such as Windows Vista, 7, and 8, ensuring integration in diverse computing environments. Overall, the Logitech R400 is a functional, efficient, and practical device, ideal for professionals who require intuitive and reliable control