SIMATIC powerrate V4.0 SP3 Engineering+AS-RT (unlimited), Upgrade V3.X-> V4.0 SP3, Power Management for WinCC V7.4/V7.3 Second Edition/ V7.2, PCS 7 V8.1 SP1/V8.1/ V8.0 SP2/V7.1 SP4; ES/R-SW, Single license, SW and documentation on DVD, License key on USB stick, Class A, 2 languages (de, en)