4-9mm vari-focal camera lens, with high image resolution and wide of angle, also waterproof,and whetherproof, vandalproof as metal body. 

detailed specifications:

1. Model: MR0409V-2

2. Focal length: 4-9mm

3. Iris aperture: F1.4

4. Image size; 1/3''

5. Mount: M12*P0.5

6. Iris: manual

7. Angle of view;70º32º

8. Dimension: φ27x38.8MM

9. Back focal length:8.14--13.78MM

10. Zoom operation: manual