Tech 2 USB cable for Opel is an alternative to other service devices such as VAG 1552. Both testers offer the same functions for complete diagnostics. The easy-to-use interface turns your PC into a professional car diagnostic machine. It has minimal system requirements all you need is a Pentium PC with a COM port. All electronic components are securely housed within the OBD II connector, making this device durable and suitable for use in any car service.Protocol: ISO 9141-2 / SAE J1962 Usage: Diagnosis of all electronic systems in vehicles equipped with a diagnostic plug. Features a three-position function switch to route the data line to pins 3, 7, or 12, depending on the system being diagnosed.Supported models: Opel models from 1997 to 2004 Agila (20002004) Astra-F (19972002) Astra-G (19982004) Arena (19982000) Campo (2001) Corsa-B (19972003) Corsa-C (20012004) Speedster/VX220 Tigra (19971999) Omega-B (19972003) Vectra-B (19972001) Vectra-C (20022004) Meriva Movano (19992004) Vivaro (20012004) Zafira (19992004)Available diagnostic options: 1. Engine 2. Chassis ABS 3. Body, Climate, Immobilizer, Airbag, and othersNote: This product is intended for professional use. If you are not technically experienced, do not purchase this item. Installation guide is not included; professional installation is strongly recommended. Please verify compatibility to ensure this item meets your needs. Tips: Product design may be updated periodically. Due to different production batches, the actual product may have slight variations or color differences, which do not affect functionality. Color: As shown Material: Plastic Package Contents: 1 x USB TECH2 Interface Note: Light reflection and display settings may cause slight color differences between the image and the actual item. Measurement tolerance: 1 cm