How to choose a digital intercom that helps you see who is knocking at the door

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Models range from simple versions, which resemble an intercom, to the most advanced with transmission to mobile apps. Shopping Guide: g1 digital door phones Video door phones are devices that replace the intercom as a means of communication between the home and the outside world. A module with a camera, speaker and microphone is located outside the site. Inside, a base with a screen or just an app that shows who rang the doorbell. This increases the sense of security for residents, who can even record videos of who is there knocking on the door. These products can be divided into three categories: the traditional ones, without connectivity features and that resemble traditional intercoms, the connected ones with an internal screen and the ones without an external screen, only with a mobile application. The more advanced models have functions such as monitoring the video in real time, allowing integration with other security cameras in the environment and also integrating with digital butlers, such as Amazon Alexa and Google Assistant. It is worth noting that the digital intercom is a complement to other home security products, such as cameras. Your purchase requires evaluating the installation location and verifying that it meets items such as having access to a conduit to pass the wires and even if the wi-fi signal is strong enough to reach the gate or wall outside. The video intercom also has a “smaller brother” for use in apartments, called a digital peephole. It has functions similar to those of digital intercoms, but for installation directly on the door. And it should always be used indoors, as it does not have protection against water and dust, common to models for outdoor use. Other guides: SECURITY CAMERA: options for inside and outside the house DIGITAL LOCK: which type is ideal for your smart home PET FEEDER: test with two connected models ALL GUIDES The Shopping Guide separated 8 devices that fit into the category of video intercom and digital peephole. The products were sold for prices ranging from R$350 to R$1,300 in the online stores consulted in August. See the list below and, at the end of the report, the items to pay attention to when buying. Elsys ESL-VPW1 Wi-Fi The Elsys ESL-VPW1 is a digital intercom model with an integrated Wi-Fi connection – with a distance limit of 10 meters from the wireless router. The camera offers night vision feature. It uses a microSD card (up to 128 GB) to record images. But it doesn’t have a screen/base for internal installation: it only works with an app on your cell phone. If the bell rings, the phone will be notified no matter where the owner is. The product has protection against water and dust. The Elsys video intercom was sold for R$530 in internet stores consulted in August. HDL Sense 90.06.02.430 The HDL Sense 90.06.02.430 is a video intercom that resembles traditional intercoms: it has an external module with the camera for outside the house and a telephone with a 4.3-inch screen for use inside the home. It does not offer connectivity features, apps or video recording. Installation of the product is done only by wires between the indoor and outdoor units. Its price was R$720 in online stores in August. Hikvision DS-KIS605P Wi-Fi The most expensive model on this list, sold for BRL 1,300 in online stores surveyed in August, the Hikvision DS-KIS605P Wi-Fi has a large 7-inch internal screen. The external module with the camera works connected by a single cable, which provides power and connectivity. The built-in base has a WiFi antenna to send data to the mobile app. This way, the product is not hostage to the wireless signal outside the house, which can affect the transmission. According to the manufacturer, it is possible to integrate the digital intercom with the security camera system of the same brand. The external microphone features noise reduction and echo cancellation to provide better audio. Intelbras IVR 1070 HS The Intelbras IVR 1070 HS is a conventional digital intercom model, without connectivity or application. Its installation is done by the wires between the modules. The internal screen is 7 inches and the product can be programmed to open up to two locks – entrance gate and garage, for example. The device has night vision capability and allows the connection of an additional camera. It cost BRL 760 in internet stores surveyed in August. Intelbras Allo W3 Wi-Fi The Intelbras Allo W3 is a video intercom with Wi-Fi that only has a module for installation outside the house. The visualization and recording of images is done by the application on the cell phone. According to the manufacturer, the product offers a presence sensor feature, which can record videos when it detects movement in front of the door. The camera comes with night vision function. The product has a microSD card slot (up to 128 GB) to store images. Intelbras does not inform the maximum distance from the digital intercom to the Wi-Fi router. The model cost BRL 550 in online stores consulted in August. Smart Video Intercom Wi-Fi Positivo Casa Inteligente The Smart Video Intercom from Positivo Casa Inteligente is also a model with only the external module, which works connected to Wi-Fi. Controls and notifications are done via the mobile app. The product allows you to show the video on devices from the Amazon Echo Show line, with screens from 5 to 15 inches – sold separately. But, unlike the other equipment on the list, it is the only video intercom to use a rechargeable battery – which lasts 3 months, according to the manufacturer. The camera has a night vision feature and the product offers protection from dust and rain. It was sold for R$ 550 in the internet stores consulted. Ezviz DP2C Wi-Fi Luatek Olho Mágico Wi-Fi works connected to the home’s wireless network. According to the manufacturer, it films, photographs and also works as a security camera for the environment. Offers automatic night vision mode and allows the registration of up to 5 cell phones to receive notifications of those who rang the bell. It works connected to electricity, with a 5V source. In August, the peephole cost R$650 in the online stores surveyed. Lualtek Wi-Fi Peephole The Ezviz DP2C Wi-Fi is a digital peephole, with camera and bell button. It works connected to the wireless network of the house, without indication of the distance from the router by the manufacturer. It offers night vision, live viewing and motion detection features – if someone walks in front of the door, the owner can be notified. The internal screen is 4.3 inches, slightly smaller than that of a cell phone, and the product accepts microSD cards of up to 256 GB to store images. The device works with a rechargeable battery, with no indication of duration by the brand. It cost BRL 840 in internet stores surveyed in August. What to consider when buying DOES IT REQUIRE PROFESSIONAL INSTALLATION? Yes, due to the power and connectivity wires that connect the indoor station with the external digital intercom. WHAT IS THE FUNCTION? Most digital intercoms only open one door. As they get more expensive and offer more features, they can open more doors. “The most basic model that opens a single gate usually has a better cost/benefit ratio”, explains Gabriel Ricci, business and product analyst at Intelbras. The choice of product depends on the consumer’s needs – it is not always necessary to have a device that integrates with a mobile app, for example, or show camera images on a video device with Amazon Alexa. More advanced versions – with Wi-Fi – also allow for use in conjunction with security cameras, for viewing on the screen located inside the house. ELECTRICITY AND WIRING: most digital intercoms require a connection to the electrical network. You need to check that the installation location outside the house has easy access to it. The digital peephole can run on electricity or a rechargeable battery. The battery can be a problem if the installation site has a lot of people traffic, as the models usually capture an image whenever they detect movement – ​​and this helps to discharge the charge faster. WITH OR WITHOUT WIRES? The more traditional models of video intercom connect the two parts of the product by cables that go to the outside wall/gate. The most advanced ones have both cables and a Wi-Fi connection, which can be a problem. Walls and walls between the indoor dock and the outdoor device help reduce signal strength. Thus, the video transmission runs the risk of not working properly. “The advantage is that everyone has Wi-Fi, but it’s good to pay attention to whether there’s a signal where you’re going to install it”, comments Rafael Sczcepanik, product coordinator at Positivo Casa Inteligente. STORAGE: The digital intercom must offer options for recording images – either on a memory card installed in the internal device in the house or via the cell phone app, in case it is necessary to retrieve the videos. Some manufacturers sell the remote recording service separately. This report was produced with complete editorial independence by our team of journalists and specialized collaborators. If the reader chooses to purchase a product from the links provided, Globo may earn revenue through commercial partnerships. We clarify that Globo does not have any control or responsibility over the possible shopping experience, even from the links provided. Questions or complaints regarding the product purchased and/or the purchase, payment and delivery process should be directed directly to the responsible retailer.

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