Logitech R400 - Black

Brand: Logitech Model: R400 Class: 2 laser Max output: Less than 1m W Wave Length: 640 – 660nm (red light) Battery type: 2 AAA batteries Battery life (Laser pointer): 20 hrs Maximum Battery life (Presenter): 1050 hrs Maximum Wireless technology: 2.4 GHz wireless technology Operating distance: Approx 10 m