One of the major loopholes witnessed with most biometric devices is their difficult usage. Using biometric devices can be quite hassle and has several complication. But the APC biometric security device completely differs on this one. This device is absolutely easy and quick to use. Installation of this device is simple. It features a USB port that can easily be plugged into your computer. Compatible with most systems including Windows 98, ME, 2000, & XP, the device can be used by anyone and everyone. It is this easy application of the device that makes it a sure shot hit.