Model: 722B VIS Wavelength Range: 330-1000nm Wavelength accuracy:±2nm Spectral Bandwidth: 4nm Photometric:≤±0.5%T Stray light: ≤0.5%T Display mode: 3?LCD Operation mode: Manual wavelength Operation soft: Yes Scanning soft: No Printer: No Note: 100mm color contrast utensil holder Package Size(cm): 63x39x28 Gross Weight(kg): 10