Marshall VS-370-X37. Maximum resolution: 811 x 508 pixels, Video formats supported: H.264, M-JPEG, Analog signal format system: NTSC, PAL. Minimum illumination: 0.7 lx, Tilt angle: 0 - 95 °, Tilt speed: 180 °/sec. Sensor type: CCD, Optical sensor size: 1/0.157 mm (1/4 "). Optical zoom: 37 x, Digital zoom: 324 x, Focal length range (f-f): 3.5 - 129 mm. LED type: IR