Tracer 46773 Set FR Nano USB

TECHNICAL DATA Wire length: Not applicable Number of batteries: 4 Number of multimedia buttons: 4 Number of buttons: 3 Mechanism: Membrane Warranty (months): 24 Battery type: AAA CPI / DPI Resolution: 1000-2200 Sensor: Optical Key drop: low profile keys Technology: 2,4GHz Keyboard type: slim Max. range (m): 10 Operating systems compatibility: Windows XP / Vista / 7, Mac OS Plug: USB Nano receiver: Yes