The biometric IDGem 4000 Fingerprint Sensor is an ID system used by businesses to authenticate employee’s identities. The employee places their finger on the sensor, which scans the fingerprint and matches it to the prints on file. The IDGem 4000 is simple to use and easy to setup. Simply plug it into a desktop or laptop computer’s USB port. Protect your company with the IDGem 4000 Fingerprint Sensor, buy one today.