There is no ârightâ way to whiten teeth naturally with activated charcoal. Koreans put it in their toothpaste, Crunchy Betty swishes with it, and some people simply brush it on straight. Open a capsule of activated charcoal (about 1/8 teaspoon) and pour about half into a cup.
The rear-facing camera on Surface 3, Surface Pro 4, and Surface Book has an autofocus lens that can help improve the sharpness of your photos and videos. The lens automatically focuses on the main subject on the screen, but you can change the focus to a different area before taking a picture or while recording a video.
HD Front and Rear Recording. Record video easily from the front and rear of your vehicle with the Drive Proof HDH-4000C Car Camera. The forward facing camera is integrated into the LCD touch screen display. The rear camera is an external wired camera that simply needs to be connected to the LCD monitor.