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Excellent Infrared IR Pen Pointer E-pen with Button for Interactive Whiteboards

Oway Group Limited IR pens
--for Infrared Interactive Whiteboards and Interactive Projectors based on wavelength 850nm 

Interactive Pointer (L20):
        It is used to connect the telescopic pointer, most of the operation achieves by the press button on the body of the pointer.
        The connecting use of the Telescopic rod and pointer body is good for operating on the screen.
Specifications:
Light Emitted: Infrared
Pen Tip Trigger Switch: Button activated
Control Buttons: 1 button
Power Requirement: Battery AAAx2
Working Current: 40-50 milliamp
Pen Body Dimension: 41.5-60cm(length); 14 mm (diameter)
Weight: 55g (exclude battery)