Serafina Mesh Task Chair 8 lines per second Printing 8 lines per second Printing Capacity 12 digits Display Display Type Fluorescent Tube Display Digits Displayed 12 digits Functionality Decimal Point System + (Add mode) Sharp QS 2760H Two Color Ribbon Printing Calculator Frame Color Black Back Construction Mesh Back Construction Detail Mesh Seat Color Blue Seat Material Mesh Swivel Yes Lumbar Support Yes Tilt Mechanism Yes Seat Height Adjustment Yes Recommended Daily Usage Heavy Usage (Up to 8 Hours) Casters Yes Supplier Intended and Approved Use Residential Use Country of Origin China Adjustable Seat Height Minimum Seat Height Floor to Seat 19'' Maximum Seat Height Floor to Seat 26'' Adjustable Chair Back Height Max Height 33'' Min Height 28'' Other Dimensions Overall 12'' W x 23'' D Seat 16'' W Base 23'' D Minimum Overall Height Top to Bottom 35'' Maximum Overall Height Top to Bottom 41'' Chair Back Width Side to Side 21'' Overall Product Weight 5 lb