La description

Versatile data storage and transfer
Two versions of Power Meters to suit test application +10 dBm max. power for Standard version (AQ2180), +26 dBm max. power for High power version (AQ2180H) Versatile data storage and transfer Large memory capacity stores up to 999 measurement results USB port offers convenient data transfer to a PC in CSV format using the standard software supplied. Auto switching of measurement wavelength Wavelength is automatically selected when the AQ4280 and AQ2180 are paired together. This feature eliminates the the extra step to manually setup the power meter wavelength and  eliminates possibility of invalid measurements due to misconfi gured wavelengths. Power source Standard dry cell batteries are easily obtained. (type : AA) Rechargeable batteries may also be used to reduce the operational cost. Auto power-saving feature also extends battery life. Basic items included as standard accessories. SC, FC or other connector adapter (Removable for convenient access for cleaning) AQ2180 : FC,SC, LC, Ferrule2.5? , Ferrule1.25? - Rubber protector to prevent damage when dropped - Carrying pouch to house unit and connector adapters (Use the optional SU2006 pouch for housing the AQ2180 fitted with a protector)''