There are two ways to use it: the air beam mode, which displays the pointer directly on the screen without using laser light, and the laser pointer mode, which allows you to emit red laser light.
Battery life/< When using alkaline batteries > < Airbeam mode > Approximately 25 hours of continuous use, < Laser pointer mode > 16 hours of continuous use
Communication system/RF (radio wave) system/2.4 GHz frequency band
Receivable distance/radius: approx. 15 m
Lights/Points are shown/lit only while the pointer operation button is pressed.