While Beijing's pollution problem is more famous the world's most polluted city is New Delhi India.
The average dolphin eats one-third of its weight on food each day.
Polar bears are the world’s largest land predators.
A baby's brain can use up to 50% of the total glucose supply which may help explain why babies need so much sleep.
Martin Luther King Jr. was jailed 29 times.
The feeling of Certainty can be triggered without the need for facts or reasoning using electric stimulation over a specific part of the brain.
Some women in Mauritania force-feed their daughters because obesity for women is idealized in the country.
TV show "16 and pregnant" and spin-offs may have prevented about 20 000 teen pregnancies in 2010 a study says.
Between 100 000 and 500 000 abortions per year continue to be performed in India solely because the fetus is female.
When a Hawaiian woman wears a flower over her left ear it means that she is not available.
Some parts of Antarctica have had no rain or snow for the last 2 million years.
Human pollution has caused the average length of polar bears' penises to shrink.
American astronauts have been able to vote in elections from space since 1997.
In space astronauts are unable to cry because there is no gravity and the tears won’t flow.
There's a town named "Cool" and another called "Squabbletown" in California.
The first McDonald’s restaurant in Canada was in Richmond British Columbia.
Lizards can self-amputate their tails for protection. It grows back after a few months.
Fur seals get miserably sick when they’re carried aboard ships.
The population of Ireland still hasn't recovered from the famine of 1845-1852. It was at 8 million before the famine and is at 6.5 million today.
The number of Chinese killed by the Japanese during WW2 is greater than the number of Jews killed in the Holocaust.
Worms eat their own poo.
In 5 000 years of human history only one disease has been eradicated: smallpox.
Humphrey Bogart NEVER said “Play it again Sam” in Casablanca
Voting is mandatory in Brazil.
1 in 3 Americans is obese.
The first known vending machine dates back to the 1st Century AD. It accepted a coin then dispensed holy water.
It has been estimated that humans use only 10% of their brain.
On average, dogs have better eyesight than humans, although not as colourful.
New bacteria grows on a kitchen sponge every 20 minutes.
Hydrogen gas is the least dense substance in the world at 0.08988g/cc. Hydrogen solid is the most dense substance in the world at 70.6g/cc.
The Eiffel Tower is the most-visited paid monument in the world: 6.98 million people in 2011.
Global warming 'solved' a land dispute between India and Bangladesh: the island in dispute disappeared.
Tasmania Australia has the cleanest air in the inhabited world.
Dalmatians are completely white at birth.
The highest recorded body temperature in a human being was a fever of 115.7°F (46.5°C).
29 000 rubber ducks were lost at sea in 1992 and are still being found revolutionising our knowledge of ocean science.
More Colombians die every year from American tobacco than Americans die from Colombian cocaine.
Einstein was offered the presidency of Israel which he politely declined.
68% of the people suffer from Phantom Vibration Syndrome the feeling that one's phone is vibrating when it's not.
All Hebrew originating names that end with the letters el have something to do with God.
- On demand access - access 720p HD live video at any time from your smartphone or the web, with built-in night vision.
- Personalized voice message - a recorded message will play when you can't answer the door.If the lights are solid blue, please type + , choose Wireless Device instead of Zink to find the doorbell.
- Answer the door wherever you are - see and speak to visitors directly from your smartphone.If all the lights are flashing green, please check your smartphone and make sure it is connected to a 2.4Ghz wifi network. If your router is a dual band router, meaning it supports both 5.0Ghz and 2.4Ghz networks, be sure the SSID (network name) is different for each. You will need your mobile device to be connected to the 2.4Ghz during setup. Passwords and SSID names must be a minimum of 6 characters.
- Smart motion detection - receive an alert and a recorded video clip whenever motion is detected.
- Easy setup - use existing wiring for quick installation and connect to WiFi using the free Zmodo app. Use Beam to easily set up Greet. With Beam Connect, setup is as simple as telling the app how many devices are powered on and ready to pair. If your router supports AC, you will need to disable that during the setup. In your router, you may need to take it out of mixed mode, or put it into legacy mode.
- See, hear and speak to anyone at your door from your smartphone, tablet or PC.
- Get instant alerts when visitors press your Doorbell or trigger the built-in motion sensors.
- Watch over your home in crystal-clear HD video.
- Protect your home - day or night - with infrared night vision.
- Communicate with visitors via two-way audio with noise cancellation.
- WIFI signal,the whole network interconnection. Remote calling, intercom, and unlock. Using most popular touch key technology, advanced and high Sensitivity, greatly extend the key life. Clear camera, and equipped with automatic light sensitive chip. If the light is not enough, it will use the IR night vision function to monitor and capture HD video and pictures.
- Motion detection function. You can open or close this function according to different working environments. Capture and video mode for choosing. Powered by DC 5V, more safe.
- Simple app operation in mobile phone, easy installation. support anrdoid and ios app APP download address remind: please search " door phone" for apple store(for ios app) and for google player(for android app).
- High-strength tempered glass surface, luxury, anti-resistant and scratches, has longer working life. With rain cover and touch key surface, better waterproof function.
- Easy to install. You can fix it with screws, or paste with double-sided tape. One door phone can be connected to several mobile phone, PC, or computers. Optional indoor dingdong doorbells to match. While calling to the mobile phone, the indoor doorbell will ring too.