Are there any hardware options available for my Keysight Power Meter?

The following options apply to both the EPM and EPM-P Series of Power Meters: Option 002 Parallel rear panel sensor input connector (with front panel reference calibrator connector).Option 003 Parallel rear panel sensor input connector (with rear panel reference calibrator connector).The following option applies to EPM Series Power Meters only: Option 001 Mains power and internal rechargeable battery. The following option applies to EPM-P Series Power Meters only: Option K01 Mains power and internal rechargeable battery. Refer to the following document for further details: Keysight Power Meters & Power Sensors Configuration Guide