A polar bears skin is black. Its fur is actually clear but like snow it appears white.
The Big Bang Theory was actually first theorized by a Catholic priest.
One of the smallest dinosaurs discovered had the size of a chicken and ate insects.
A B-25 bomber crashed into the 79th floor of the Empire State Building on July 28 1945.
Octopuses have 3 hearts.
In 1900 all the world's mathematical knowledge could be written in about 80 books; today it would fill more than 100 000 books.
The average human eats 8 spiders in their lifetime at night.
In the UK you can never be more than 70 miles away from the sea.
Alexander the Great was tutored by Aristotle until the age of 16 when he took the throne.
The country of Liberia in Africa was established by U.S. citizens as a colony for former African-American slaves and their free black descendants.
Insects outnumber humans 100 000 000 to one.
In 1778 fashionable women of Paris never went out in blustery weather without a lightning rod attached to their hats.
Robert F. Kennedy was shot by a Palestinian because of his strong support for Israel.
The world's first underground park will be inaugurated in 2018 in New York.
About 100 elephants are being killed every day for their ivory.
Male bats have the highest rate of homosexuality of any mammal.
A red blood cell can make a complete circuit of your body in 30 seconds.
The fork came to Italy before any other European country because of pasta.
YouTube has a production space in Los Angeles that is free to use if you have 10 000 subscribers.
The eruption of the Krakatoa volcano in Indonesia is believed to be the reason why the sky is red in Edvard Munch's painting "The Scream" set in Norway.
Sign Language is one of three official languages of New Zealand.
Government vehicles in Cuba are legally required to pick up any hitchhikers.
The movie "Little Miss Sunshine" was partially inspired by a quote from Arnold Schwarzenegger saying: "If there's one thing in this world I despise it's losers."
Sleeping less than 7 hours each night reduces your life expectancy.
There is only one gun shop in Mexico. 90% of the country's firearms are smuggled in from the USA.
Despite its name more than half of the London's Underground network in fact runs above ground.
Jet lag was once called boat lag before there were jets.
Anne Frank's father survived Auschwitz and died in 1980 of lung cancer.
There's a skyscraper in New York City with no windows.
Hitler was nominated for the Nobel Peace Prize in 1939.
Apple's iPhone has higher sales than everything Microsoft has to offer.
Former basketball superstar Michael Jordan is the most recognized face in the world more than the pope himself.
Performing the Nazi salute in Germany is a criminal offence punishable by up to 3 years in prison.
Oil is cheaper than water in Venezuela and Saudi Arabia.
Female kangaroos have three vaginas.
The radioactive substance Americanium – 241 is used in many smoke detectors.
43%of the world's olive oil production is done in Spain.
Russia has over 8400 nuclear weapons more than any other country.
Apple has more operating cash than the U.S. Treasury.
Only female mosquitoes drink blood. Males are vegetarians.
- 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.