... .Weight :63gDimensions:10.5cm × 6.6cm × 3.6cm(Approx)RF carrier:2402MHz-2480MHzRF operation channel:16,auto frequency hoppingRated voltage ... (left, right, scroll, page up, page down, resolution option)Superior wireless optical sensor.Use for home or office use.Specification: 2 ... .4GHz digital wireless transmission, operation distance is up to 10 meters.Built- ...