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 R400 Logitech R400 at an unbeatable price. Approx. dimensions: 11,6 x 23,8 x 20,5 cm Certificate: CE RoHS Number of pieces: 1 Piece Batteries included: Yes Technology: RF Battery type: AAA Includes: User manual Laser Pointer Transportation cover Material: Metal Colour: Red Black Approx. weight: 57 g Interface: Wi-Fi Range: 10 m 15 m Compatible: Windows® Vista Windows® 7 Windows® 8 PC Battery operated: AAA x 2 Iincluded AAA Litio Ion Laser: 640 - 660 nm Laser Pointer: 7,78 x 11,55 x 2,74 cm Receptor: 1,65 x 5,86 x 0,79 cm Connections: USB Country/Region of manufacture: China Characteristics: Battery indicator On/off interrupter Installation guide included Plug and play Memory Type: DDR3 SDRAM Connectivity: Bluetooth Radio frequency Voltage: 3 V Number of batteries: 2 Processor Family: Intel Core i5 Intel Nuclei: 1 core