System Requirements
Windows-based computer
   Windows® XP, Windows Vista®
   USB port

Package Contents
   Logitech® Wireless Presenter R400
   Wireless mini-receiver
   2 AAA batteries
   Carrying case
   Quick-start guide

Technical Specifications
Dimensions (height x width x depth):
   1.49 in (37.8 mm) x 4.55 in (115.5 mm) x 1.08 in (27.4 mm)
Weight:
   2.01 oz (57 g)
Receiver Dimensions (height x width x depth):
   0.65 in (16.5 mm) x 2.31 in (58.6 mm) x 0.31 in (7.9 mm)
Receiver Weight:
   0.21 oz (6 g)
Color:
   Black
Laser Class:
   Class 2 Laser
Max Output:
   Less than 1mW
Wave Length:
   640? 1/2 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*
Wireless technology:
   2.4GH? 1/2 wireless technology
Supported OS:
   Windows Vista, Windows 7, Windows 8
Interface:
   USB
Accessories:
   Carring case
Product Origin China
   * It may vary based on use and computing conditions.