Lorex VQ1536HRB. Maximum resolution: 0 pixels, Analog signal format system: NTSC. Minimum illumination: 0.5 lx, Camera shutter speed: 1/60 - 1/50000 s. Optical sensor size: 1/0.157 mm (1/4 "). LED type: IR, Infra-red wavelength: 850 nm. Weight: 400 g