65,000 channels for reducing interference; 2 resolutions to choose from: 500/1000 dpi; operating range: up to 6 m; easy connection thanks to SmartLink technology; mini installable receiver (6 x 14 x 18 mm); cursor speed: 14 inches per second; low power consumption, 13 mA; automatic sleep mode; dimensions: 91 x 63 x 36 cm; weight: 75 g.