1) 2.4GHz High speed
2) Low pressure alarm
3) Precision optical
4) Comfortable feel
5) Operating frequency: 2.420GHz-2.483GHz
6) Transmission Distance: 10m, 360 Degree
7) Resolution adjustable: 500 / 1000 dpi
8) Tracing system: optical
9) Operating current: 15mA
10) Power supply: 1x 1.5V AAA battery
11) System requirements: Windows 2000 / XP / VISTA / 7 / Android / Linux / MAC OS
12) Size: 140 x 23 x 16mm