brand new unused, bought a Promax spectrum analiser and got this as well in the package. i have another one the same hence the sale. small usefull tool, very handy. free recorded delivery in UK decent offers will be accepted The PROLITE-17 pocket-sized optical power meter has compact structure and stable performance. It ensures high measuring precision of 850 nm, 1300 nm, 1310 nm, 1490 nm, 1550 nm and 1625 nm wavelengths. The PROLITE-17 weights only 70 g, fits in your hand and lasts up to 80 hours without changing the batteries. It is ideal to be carried out at any time. Technical Specification WAVELENGTHS CALIBRATED WORKING 850, 1300, 1310, 1550, 1490 and 1625 nm From 800 to 1700 nm
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