LOGITECH R400 Wireless Presenter

Specification:
Dimensions: 37.8 mm x 115.5 mm x 27.4 mm
Weight: 57 g
Receiver Dimensions: 16.5 mm x 58.6 mm x 7.9 mm
Receiver Weight: 6 g
Colour: Black
Laser Class: Class 2 Laser
Max Output: Less than 1mW
Wave Length: 640~660nm (red light)
Battery type: 2 AAA batteries
Battery life: 20-hour maximum
Battery life: 1050-hour maximum
Wireless operating distance: Approx 10m
Wireless technology: 2.4GHz wireless technology
Supported OS: Windows Vista, Windows 7, Windows 8
Interface: USB
Accessories: Carring case

System Requirements:
Windows® XP, Windows Vista®
USB port

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