• Keep an eye on your Internet connection: see data coming in or going out.
• Protect yourself from unexpected charges or Internet service disruption.
• Receive alerts about dangerous or unexpected network activity.
• Easy to use - works automatically with no user input required.
• Uses very little resources, fully compatible with Windows Vista and XP.
*  Have you ever found yourself wondering why some downloads seem to  take  an eternity to complete, or why your e-mail program seems to be  stuck in  the middle of e-mail retrieval. Is it really hanging, or maybe  it's  just downloading a large e-mail attachment? DU Meter provides the  answer  to these and other mysteries, and can also alert you of  dangerous or  unexpected network activity. Watching your data transfer  rates can be  very enlightening no matter what you do online, and you'll  soon be  wondering how you managed without DU Meter before.
* Many  Internet users believe their "unlimited" account lets them surf  the  Internet, send large email attachments and download as many movies  and  songs as they choose. However it is well documented by the media  that  many Internet Service Providers, both in the U.S. and elsewhere,  do in  fact set definite usage limits, even though they may advertise to  the  contrary. Some will take drastic measures like termination of an  account  without any advance warning, if these limits are exceeded. DU  Meter can  create detailed reports of the total network traffic volume  on your  computer and can alert you if certain limits are surpassed. If  you have  teenage children or if you own or manage a business, DU Meter  can be  especially useful for you to you too.
Other DU Meter highlights:
• Provides clear graphical and/or numerical display
• Reporting facility with export to many different file formats, including HTML, Excel, PDF and others
• Permits close supervision of uploads and downloads
• Compatible with all network interfaces: Dial-Up, Cable, ADSL, Ethernet, and others
• Fully compatible with Windows Vista, Windows XP, Windows Server 2003 and Windows 2000
• Requires minimal screen real estate and system resources
• Involves no changes to your Windows system files
• Auto-hide feature minimizes the meter to the system tray in the absence of network activity
• Option to notify user or disconnect from the Internet automatically when network activity drops below a certain level
• Useful stopwatch to accurately time downloads and report the average transfer rates
DU  Meter was designed from the ground up to be very light on system   resources usage. It should have negligible impact on your computer's   performance, and any computer that can run a supported version of   Windows, can run DU Meter.
DU Meter supports Windows Windows 7, Vista, Windows XP, Windows Server 2003 or Windows 2000.
Although  DU Meter is 32-bit application, it runs on both 32-bit and  64-bit  versions of Windows. On 64-bit Windows all functions are  supported  except Vista sidebar integration.
Changes in DU Meter 5.0:
Most important features:
* DU Meter can discriminate between Internet and local LAN traffic,   and monitor either of them. It can figure out what is Internet and what   is LAN traffic automatically, or you can supply a list of IP  subnetworks  you wish to monitor or ignore.
* If your networking traffic is  not free (or it starts to cost you  over a certain monthly limit), DU  Meter can calculate and display total  cost of traffic during this  billing period. Peak/off-peak rates are  supported too.
* DU Meter  can terminate all network connections as a result of an  alert condition  being met. E.g. you can specify that if monthly or  daily traffic is  over a certain limit, no more network traffic will be  initiated.
* Alerts may be based on current monthly charges.
* Many bug fixes and improvements in stability and robustness - DU   Meter can automatically recover now from database corruption (extremely   rare).
* Still light system resources usage: Despite all these improvements, DU Meter still takes very little system resources
Display improvements:
* Explorer deskband mode - DU Meter can attach itself to Windows taskbar for unobtrusive and prominent display.
* Full support for 64-bit Windows - including Sidebar and Windows taskbar integration.
* Several new types of graphs available, in addition to DU Meter "classic" mode.
* Numerical display can show either current throughput values, or   total monthly traffic, or monthly charges (network traffic costs).
* Sub-pixel anti-aliased drawing for more visually pleasing display.
* Numerical display is highlighted if alert condition is in effect.
* "Click-through" mode - DU Meter window is visible and semi-translucent, and all mouse clicks go to the application below.
Reporting improvements:
* Reports network data transfer costs if configured.
* Report file names can be automatically based on computer name or current date.
* Many other improvements and bug fixes.