The Ring 3 Full Movie
Charise Scrivner
Our sleek wired Video Doorbells combine everyday convenience with total performance, and feature non-stop power for non-stop peace of mind. Whether you want to supply power using your existing doorbell wiring, from a nearby electrical socket, or even using Power over Ethernet, we have wired Video Doorbells and accessories to suit any situation, and every home.
"I am extremely impressed with the ring doorbell 2. From opening the box to find everything you need to install is provided, through to the setup and running of the device, everything has been fully thought through for a great user experience."
"We have the Ring Video Doorbell 2. It has been life changing, has put a stop to a lot of trouble I was having and makes me feel so much more secure. Installing it is the best decision I've ever made."
All Ring Video Doorbells can send notifications to your phone, tablet and PC when anyone presses your doorbell or triggers the built-in motion sensors. When you answer the notification, you can see, hear and speak to visitors from anywhere. The main differences between each doorbell are their additional features and how they receive power.
Video Doorbell (2nd Gen) is powered by a rechargeable, built-in battery or can be hardwired to an existing doorbell system. It features 1080p HD video and Customisable Motion Zones that let you create and adjust your own Motion Detection areas. (reducing unnecessary motion notifications and conserving the battery life of your Video Doorbell).
Battery Video Doorbell Plus includes Head-to-Toe View, which gives you an expanded view from your door, so you can see more of people and packages. 1536p HD Video gives you a clearer picture of what's happening and you can see it all after dark with Colour Night Vision. Powered by a Quick Release Battery Pack, Battery Video Doorbell Plus also features Two-Way Talk, Advanced Motion Detection, Customisable Privacy Settings and much more.
Photos captured will be saved to your Ring account for up to seven days. All Ring Video Doorbells come with a free 30-day trial of Ring Protect.[1] During or after a trial, you can choose to purchase a Ring Protect plan to save your videos and photos. Photo capture is currently available on these devices.
The Ring Protect Basic Plan activates video recording, photo capture and sharing for individual Ring Doorbells and Cameras. It saves all your videos to your Ring account for up to 180 days (default storage set to 30 days) and photos for up to 7 days, so you can review and share your videos at any time. Ring Protect Basic Plans start at only 4.99 a month per device.
The Ring Protect Plus Plan adds even more to your home security. It includes video recording, photo capture and sharing for unlimited Ring Doorbells and Cameras at your home. Ring Protect Plus Plans start at only 8 a month per home.
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Under a proposed order, which must be approved by a federal court before it can go into effect, Ring will be required to delete data products such as data, models, and algorithms derived from videos it unlawfully reviewed. It also will be required to implement a privacy and security program with novel safeguards on human review of videos as well as other stringent security controls, such as multi-factor authentication for both employee and customer accounts.
The Commission voted 3-0 to authorize the staff to file the complaint and stipulated final order. The FTC filed the complaint and final order in the U.S. District Court for the District of the District of Columbia.
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In mathematics, rings are algebraic structures that generalize fields: multiplication need not be commutative and multiplicative inverses need not exist. Informally, a ring is a set equipped with two binary operations satisfying properties analogous to those of addition and multiplication of integers. Ring elements may be numbers such as integers or complex numbers, but they may also be non-numerical objects such as polynomials, square matrices, functions, and power series.
Formally, a ring is a set endowed with two binary operations called addition and multiplication such that the ring is an abelian group with respect to the addition operator, and the multiplication operator is associative, is distributive over the addition operation, and has a multiplicative identity element. (Some authors define rings without requiring a multiplicative identity and instead call the structure defined above a ring with identity. See Variations on the definition.)
Whether a ring is commutative has profound implications on its behavior. Commutative algebra, the theory of commutative rings, is a major branch of ring theory. Its development has been greatly influenced by problems and ideas of algebraic number theory and algebraic geometry. The simplest commutative rings are those that admit division by non-zero elements; such rings are called fields.
The conceptualization of rings spanned the 1870s to the 1920s, with key contributions by Dedekind, Hilbert, Fraenkel, and Noether. Rings were first formalized as a generalization of Dedekind domains that occur in number theory, and of polynomial rings and rings of invariants that occur in algebraic geometry and invariant theory. They later proved useful in other branches of mathematics such as geometry and analysis.
Although ring addition is commutative, ring multiplication is not required to be commutative: ab need not necessarily equal ba. Rings that also satisfy commutativity for multiplication (such as the ring of integers) are called commutative rings. Books on commutative algebra or algebraic geometry often adopt the convention that ring means commutative ring, to simplify terminology.
The additive group of a ring is the underlying set equipped with only the operation of addition. Although the definition requires that the additive group be abelian, this can be inferred from the other ring axioms.[4] The proof makes use of the "1", and does not work in a rng. (For a rng, omitting the axiom of commutativity of addition leaves it inferable from the remaining rng assumptions only for elements that are products: ab + cd = cd + ab.)
The study of rings originated from the theory of polynomial rings and the theory of algebraic integers.[11] In 1871, Richard Dedekind defined the concept of the ring of integers of a number field.[12] In this context, he introduced the terms "ideal" (inspired by Ernst Kummer's notion of ideal number) and "module" and studied their properties. Dedekind did not use the term "ring" and did not define the concept of a ring in a general setting.
The first axiomatic definition of a ring was given by Adolf Fraenkel in 1915,[15][16] but his axioms were stricter than those in the modern definition. For instance, he required every non-zero-divisor to have a multiplicative inverse.[17] In 1921, Emmy Noether gave a modern axiomatic definition of commutative rings (with and without 1) and developed the foundations of commutative ring theory in her paper Idealtheorie in Ringbereichen.[18]
Most or all books on algebra[20][21] up to around 1960 followed Noether's convention of not requiring a 1 for a "ring". Starting in the 1960s, it became increasingly common to see books including the existence of 1 in the definition of "ring", especially in advanced books by notable authors such as Artin,[22] Bourbaki,[23] Eisenbud,[24] and Lang.[3] There are also books published as late as 2022 that use the term without the requirement for a 1.[25][26][27][28] Likewise, the Encyclopedia of Mathematics does not require unit elements in rings.[29] In a research article, the authors often specify which definition of ring they use in the beginning of that article.
Gardner and Wiegandt assert that, when dealing with several objects in the category of rings (as opposed to working with a fixed ring), if one requires all rings to have a 1, then some consequences include the lack of existence of infinite direct sums of rings, and that proper direct summands of rings are not subrings. They conclude that "in many, maybe most, branches of ring theory the requirement of the existence of a unity element is not sensible, and therefore unacceptable."[30] Poonen makes the counterargument that the natural notion for rings would be the direct product rather than the direct sum. However, his main argument is that rings without a multiplicative identity are not totally associative, in the sense that they do not contain the product of any finite sequence of ring elements, including the empty sequence.[c][31]
A nilpotent element is an element a such that an = 0 for some n > 0. One example of a nilpotent element is a nilpotent matrix. A nilpotent element in a nonzero ring is necessarily a zero divisor.
An intersection of subrings is a subring. Given a subset E of R, the smallest subring of R containing E is the intersection of all subrings of R containing E, and it is called the subring generated by E.
If x is in R, then Rx and xR are left ideals and right ideals, respectively; they are called the principal left ideals and right ideals generated by x. The principal ideal RxR is written as (x). For example, the set of all positive and negative multiples of 2 along with 0 form an ideal of the integers, and this ideal is generated by the integer 2. In fact, every ideal of the ring of integers is principal.
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