The Siemens 6AV2157-0BL01-7AB0 is the SIMATIC WinCC Unified V17 Audit Basis, an option for WinCC Unified runtime software. It comes as a single license, without software and documentation, with a license key on a USB flash drive. This product was discontinued 

Product Name: SIMATIC WinCC Unified V17 Audit Basis

Software Type: Runtime Software Option

License Type: Single License (without software and documentation)

Delivery Method: License key on USB flash drive

Product Class: Class A

Net Weight: 0.145 kg

Packaging Dimensions: 17.40 x 19.10 x 3.40 cm

Commodity Code: 85235190

Country of Origin: Germany

RoHS Compliance: Yes

WEEE Take-Back Obligation: Yes

Export Control Regulations: AL: N / ECCN: N

Standard Lead Time: 5 working days (ex-works)

Product Status: Discontinued as of February 10, 2025 (no direct replacement)