Spectrophotometer, 20 nm Bandpass, Wavelength Range 400-1000 nm, Voltage Preset at 110V, 10 mm Test Tube Cuvettes (Box of 12), 10 mm Square Cuvette Adapter, USB Port, Dust Cover, User Manual (DROP SHIP ONLY),Spectrophotometer, 20 nm Bandpass, Wavelength Range 400-1000 nm, Voltage Preset at 220V, European Plug,10 mm Test Tube Cuvettes (Box of 12), 10 mm Square Cuvette Adapter, USB Port, Dust Cover, User Manual (DROP SHIP ONLY),Spectrophotometer, 20 nm Bandpass, Wavelength Range 335-1000 nm, Voltage Preset at 110V, 10 mm Test Tube Cuvettes (Box of 12), 10 mm Square Cuvette Adapter, USB Port, Dust Cover, User Manual (DROP SHIP ONLY),Spectrophotometer, 20 nm Bandpass, Wavelength Range 335-1000 nm, Voltage Preset at 220V, European Plug, 10 mm Test Tube Cuvettes (Box of 12), 10 mm Square Cuvette Adapter, USB Port, Dust Cover, User Manual (DROP SHIP ONLY),Spectrophotometer, 20 nm Bandpass, Wavelength Range 335-1000 nm, Voltage Preset at 110V, 10mm Test Tube Cuvettes (Box of 12), 10 mm Square Cuvette Adapter, USB Port, RS-232 Port, Dust Cover, User Manual (DROP SHIP ONLY),Spectrophotometer, 20 nm Bandpass, Wavelength Range 335-1000 nm, Voltage Preset at 220V, European Plug,10 mm Test Tube Cuvettes (Box of 12), 10 mm Square Cuvette Adapter, USB Port, RS-232 Port, Dust Cover, User Manual (DROP SHIP ONLY),Spectrophotometer, 5 nm Bandpass, Wavelength Range 325-1000 nm, Voltage Preset 110V, 10mm Single Square Cuvette Holder, V-Type Holder for 8-25 mm Round Tube, Pair of Glass Cuvettes, 10mm Test Tubes (Box of 12), USB Port, RS-232 Port, Dust Cover, User,Spectrophotometer, 5 nm Bandpass, Wavelength Range 325-1000 nm, Voltage Preset 220V, European Plug, 10mm Single Square Cuvette Holder, V-Type Holder for 8-25 mm Round Tube, Pair of Glass Cuvettes, 10mm Test Tubes (Box of 12), USB Port, RS-232 Port, D,Spectrophotometer, 5 nm Bandpass, Wavelength Range 325-1000 nm, Voltage Preset 110V, 4-Position Cell Holder for 10mm Square Cuvettes, Pair of Glass Cuvettes, USB Port, RS-232 Port, Dust Cover, User Manual (DROP SHIP ONLY),Spectrophotometer, 5 nm Bandpass, Wavelength Range 325-1000 nm, Voltage Preset 220V, European Plug, 4-Position Cell Holder for 10mm Square Cuvettes, Pair of Glass Cuvettes, USB Port, RS-232 Port, Dust Cover, User Manual (DROP SHIP ONLY),Spectrophotometer, 5 nm Bandpass, Wavelength Range 325-1000 nm, Large LCD Display, Programmable, 4-Position Cell Holder, USB Port, RS-232 Port, Dust Cover, User Manual, Power Input 100-240V (Accommodate up to 50 mm Pathlength Cuvette w/ Optional Cuve,Spectrophotometer, 4 nm Bandpass, Wavelength Range 325-1000 nm, Large LCD Display, Programmable, 4-Position Cell Holder, USB Port, RS-232 Port, Dust Cover, User Manual, Power Input 100-240V, European Plug (Accommodate up to 50 mm Pathlength Cuvette w,Spectrophotometer, 4 nm Bandpass, Wavelength Range 325-1000 nm, Automatic Wavelength Change, Large LCD Display & Keypad, Programmable, 4-Position 10mm Cell Holder, USB Port, RS-232 Port, Dust Cover, User Manual, Power Input 100-240V (DROP SHIP ONLY),Spectrophotometer, 4 nm Bandpass, Wavelength Range 325-1000 nm, Automatic Wavelength Change, Large LCD Display & Keypad, Programmable, 4-Position 10mm Cell Holder, USB Port, RS-232 Port, Dust Cover, User Manual, Power Input 100-240V, European Plug (D,Spectrophotometer, 4 nm Bandpass, Wavelength Range 200-1000 nm, Automatic Wavelength Change, Large LCD Display & Keypad, Programmable, 4-Position 10mm Cell Holder, USB Port, RS-232 Port, Dust Cover, User Manual, Power Input 100-240V (DROP SHIP ONLY),Spectrophotometer, 4 nm Bandpass, Wavelength Range 200-1000 nm, Automatic Wavelength Change, Large LCD Display & Keypad, Programmable, 4-Position 10mm Cell Holder, USB Port, RS-232 Port, Dust Cover, User Manual, Power Input 100-240V, European Plug (D