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2. Light Up Your Backyard With These Editor-Approved Solar ...

   www.aol.com/brighten-backyard-top-rated-solar...

   Solar-Powered Edison Bulb Lights. With a vintage Edison bulb design, these string lights deliver form and function. Each string spreads 12 LED bulbs over 27 feet of weatherproof wire.

3. The 10 Best Patio Umbrellas with Lights to Make Your ... - AOL

   www.aol.com/10-best-patio-umbrellas-lights...

   Amazon. If you prefer a well-lit patio come nightfall, this 10-foot umbrella features 24 intense LED lights. At night, the bulbs are reportedly bright enough to take in your summer beach read and ...

4. These outdoor solar lights are an easy way to transform your ...

   www.aol.com/lifestyle/these-outdoor-solar-lights...

   These lights are entirely powered by the sun and shine a beam over a wide area. They're also waterproof and can detect movement up to 26 feet away. Save $14 with coupon

5. Solar lamp - Wikipedia

   en.wikipedia.org/wiki/Solar_lamp

   A garden solar lamp A child in Zambia studying by the light of a lamp charged by solar power during the day. A solar lamp, also known as a solar light or solar lantern, is a lighting system composed of an LED lamp, solar panels, battery, charge controller and there may also be an inverter.

6. Signal-to-noise ratio (imaging) - Wikipedia

   en.wikipedia.org/wiki/Signal-to-noise_ratio...

   SNR is sometimes quantified in decibels (dB) of signal power relative to noise power, though in the imaging field the concept of "power" is sometimes taken to be the power of a voltage signal proportional to optical power; so a 20 dB SNR may mean either 10:1 or 100:1 optical power, depending on which definition is in use.

7. Wireless security camera - Wikipedia

   en.wikipedia.org/wiki/Wireless_security_camera

   Wireless security cameras function best when there is a clear line of sight between the camera(s) and the receiver. If digital wireless cameras are outdoors and have a clear line of sight, they typically have a range between 250 and 450 feet. If located indoors, the range can be limited to 100 to 150 feet.