Camera is able to capture photographs and usually videos, The most important characteristics of a camera are the resolution (measured in megapixels), lens focus type (fixed or automatic), higher megapixel cameras are known to capture higher quality photos, but not always a good measurement of the photos quality.
23 MP, f/2.0 aperture, Phase detection (PDAF), Hybid autofocus
5488 x 42160 pixels
4K, 2160p@30fps, 1080p@30fps
24mm, 1/2.3 sensor size, continuous shooting, digital zoom, optical image stabilization, geo-tagging, touch focus, face detection, white balance, ISO, self-timer, scene mode, macro mode, HDR, panorama
Flash Light => There is commonly two types of flash lights are used in camera mobile phones, LED Flash (LED flash offers lower power consumption with drive circuitry that takes up very little room, LEDs can be strobed faster than any other light source), Xenon Flash (xenon flash produces an extremely intense full-spectrum white light for a very short duration)
Dual (16 MP, f/2.0, 23mm, 1/2.6" sensor size, OIS, AF) + (8 MP, f/2.4 aperture, 1/4" sensor size)