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Dimensions (height x width x depth): 38 mm (1.5 in) x 134 mm (5.28 in) x 28 mm (1.1 in)
Laser Class: Class 3 Laser
Max Output: Less than 1mW
Wave Length: 522?542 nm (green light)
Wireless operating distance: Approx 30m*
Supported OS: Windows Vista, Windows 7, Windows 8