1 x ELM327 OBD2 Scanner (as shown in the picture). Plug-and-play setup: simply plug into your car’s OBD2 port, connect via Bluetooth, and start diagnosing. Bluetooth Version :V5.1. ✅ 5.1 Technology: 2x longer communication range than Bluetooth 4.0, with 70% lower power consumption for more stable connections to your phone.