1. Installation dimensions: **52mm (2-1/16 inches)**, thin body
2. Sensor: Bosch LSU4.9 (UEGO wide-range oxygen), supports automatic sensor identification
3. Power supply: 9–16V DC, compatible with automotive 12V system
4. Output: 0–5V analog, RS232, AEMnet CAN bus, supports multi-table cascading
5. Display mode switching: AFR / Lambda λ / O₂%, can be displayed in 3 or 4 decimal places, automatically dimming
6. Thread: M18×1.5 (exhaust welding seat), recommended torque 30–40.6 N·m
