Easypix Challenge Action. Sensor type: CMOS, Total megapixels: 5 MP, Optical sensor size: 1/0.157 mm (1/4 "). Focal length range (f-f): 2.3 mm, Maximum aperture: 3.8. Camcorder media type: Memory card, Compatible memory cards: SDHC, Maximum memory card size: 32 GB. White balance: Auto. Camcorder type: actioncam, Colour of product: Black