The PR-655 from BEA Electro simplifies spectrally based spot photometric/colorimetric measurements, particularly for applications such as LCD, LED or screen display luminance, color and contrast. The unit features a 3 in. x 2.5 in. color LCD touch-screen display, a USB interface and optional Bluetooth capability. RS232 is still available as an option. An SD 128 MB memory card and a rechargeable Li-ion battery are included. The unit can be used without a PC. It can also talk to the PC-based SpectraWin 2 and exported MS Excel programs with a USB port.