1. Appearance color: pure golden + dark grey 2. Case: spcc1.2 sheet metal,after baking, the thickness is 1.5mm 3. Display：4 lines LED DISPLAY 4. Camera: built in HD with 4 million pixels AI camera 5. Appearance dimension: 252 * 176 * 1385mm 6. Working temperature: - 25 ~ + 70 7. Working humidity: less than 95% without condensation 8. Working voltage: AC110V-220V 9. Communication mode: TCP / IP 10. Best identification: 3-6M 11. Recognition angle: the angle between lane and license plate is not more than 50 degrees