what is the quality of the video or photo shot from this device?
It has the quality of 1080p Full HD video and 720p HD slow-motion video.
IPhone 6
The iPhone 6's rear-facing camera now has the ability to shoot 1080p Full HD video at either 30 or 60 frames per second and 720p HD slow-motion video at either 120 or 240 frames per second, while the iPhone 5s could only record at 30 and 120 frames per second respectively. 

Still photos can be captured during video recording. Those have a resoluton of four megapixels (2720×1532). 

The camera also includes phase detection autofocus. The iPhone 6 Plus camera is nearly identical, but also includes optical image stabilization. The front-facing camera was also updated with a new sensor and f/2.2 aperture, along with support for burst and HDR modes.
how big is the screen on the iphone 6s iPhone 6 display is 4.7 inches in size. what are some of its battery features? The iPhone 6 features a 6.91 Wh (1810 mAh) battery, iPhone 6 Plus features an 11.1 Wh (2915 mAh) battery, neither of which are user-replaceable. in what colors are these phones available? In gold, silver, and space gray. what are some of the metals used to make these phones? Glass around the edges of the display, aluminum and plastic strips.
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IPhone 6 [SEP] Camera
The iPhone 6's rear-facing camera now has the ability to shoot 1080p Full HD video at either 30 or 60 frames per second and 720p HD slow-motion video at either 120 or 240 frames per second, while the iPhone 5s could only record at 30 and 120 frames per second respectively. Still photos can be captured during video recording. Those have a resoluton of four megapixels (2720×1532). The camera also includes phase detection autofocus. The iPhone 6 Plus camera is nearly identical, but also includes optical image stabilization. The front-facing camera was also updated with a new sensor and f/2.2 aperture, along with support for burst and HDR modes.