Specifications Wavelength Range: 380 nm–950 nm Support for fluorescence: Two excitation sources centered at 405 nm and 500 nm Reported Wavelength Interval: ~1 nm between reported values (collects 570 values) Optical resolution (FWHM): 5.0 nm Wavelength accuracy: ± 4.0 nm Photometric accuracy: ± 0.10 A.U. Dimensions: 15 cm x 9 cm x 4 cm Light Sources: Incandescent white bulb, approximately 8000 hour lifetime, one-step calibration. LED-based, approximately 100,000 hour lifetime. No external power is required. Typical scan time: ~2 s Connections: Wireless: Bluetooth Wired: USB