Presenter Logitech R400 Wireless Black

Specification
Laser
– Class: 2 laser
– Max output: Less than 1 mW
– Wave Length: 640～660 nm (red light)
Battery
– Battery type: 2 AAA batteries
– Battery life (Laser pointer): 20-hour maximum
– Battery life (Presenter): 1050-hour maximum
Connectivity
– Wireless technology: 2.4 GHz wireless technology
– Operating distance: Approx 10 m
Dimensions
– Presentation remote
– Height: 115.5 mm
– Width: 37.8 mm
– Depth: 27.4 mm
– Weight: 57 g
Receiver
– Height: 58.6 mm
– Width: 16.5 mm
– Depth: 7.9 mm
– Weight: 6 g
Part Number
– 910-001356