QDS 30 Banknote Counter This model offers many features: Super light weigh & low noise Preset & selective batch mode Simple & easy to operate by 3 speed key Elegant design for human technology Built in self-diagnosis function Auto density adjustment (high density formula with 3 way) Upgrade available Memory backup available Be sure to contact us at Fax: 615-778-9300 Phone: 800-426-2067 for custom orders. or email us.