Logitech R400 Laser Presentation Remote
Laser Class: Class 2 Laser
Max Output: Less than 1mW
Wave Length: 640～660nm (red light)
Battery type: 2 AAA batteries
Battery life (Laser pointer): 20-hour maximum
Battery life (Presenter): 1050-hour maximum
Wireless operating distance: Approx 10m 2
Wireless technology: 2.4 GHz wireless technology
Point out precise areas of focus in your presentation with an easy-to-use and bright red laser pointer.
If you present on TV & LCD screens and need a digital pointer. Customize button functions, monitor battery life, and set an on-screen timer from the Logitech Presentation App. Never worry about your computer going to sleep, the app keeps it awake while you present.