DIY Supplies : ELECTRICAL Brand Name : GOYOJO Model: V1000(721N) Wavelength Range: 340-1020 nm Spectral Bandwidth: 6 nm Wavelength Accuracy: ±3 nm Photometric Accuracy: ±1%T Photometric Repeatability: 0.5%T Stray light: 0.5%T Stability: 0.004 A Light Source: Tungsten lamp Shipping Size: 520*450*320mm/10kg Model: V1100(722N) Wavelength Range: 320-1020 nm Spectral Bandwidth: 5 nm Wavelength Accuracy: ±2nm Photometric Accuracy: ±0.5%T Photometric Repeatability: 0.2%T Stray light: 0.3%T Stability: 0.002A Light Source: Tungsten lamp Shipping Size: 520*450*320mm/10kg