Quick overview from the supplier:
Presenter Logitech R500s, Class 2 Laser, Range: 20m, Bluetooth/2.4 Ghz, 1xAAA, Graphite
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Dimensions
Presentation remote
Height 123.6 mm
Width 36.6 mm
Depth 24.7 mm
Weight 48.4 g, included Battery (not including Receiver)
Receiver
Height 6.6 mm
Width 17.5 mm
Depth 25.0 mm
Weight 2 g
Technical Specifications
Laser
Class 1 laser
Max output less than .039 mW
Wavelength 640-660 nm (red light)
Battery
Indicator Lights (LED) Battery and Connectivity LED
Connectivity
Connection Type Bluetooth low energy technology and 2.4GHz wireless connection
Part Number
Graphite 910-005843
Mid Grey 910-006520
