Buttons having quick access to different functions are easy to find by touch.Buttons function: light pointer, display of the black screen, next, previous, full screen, on/off switch; One-touch keys easy to control slideshow; About laser pointer: hold down the button to keep the light on;
The USB receiver is stored inside the laser pointer for easy pack up and portability, there's no software to install, set up very simple;
Transmitter Features:
Material: ABS
Light Style: Beam light
Light Color: Red
Battery Power: 1 Pcs AAA Battery
Size: 138x19x14mm/5.4x0.75x0.55inch (Approx).
Control Distance: 10m-15m (The effective distance will change with the surrounding environment)
Receiver Features:
Supported OS: win 2000, XP, Vista, Win7，Win8，Win10，MAC OS, Linux