UL-294 Certified Access Control Products: Why Buy Them?

Access Control products from Dahua or Hikvision may be attractive in terms of price or easy integration into same-branded camera recorders for video verification, but buyers should note that these brands do not carry UL-294 certification. UL-294 products that go through the UL (Underwriters Labs)-testing process give the end-user confidence that the equipment works properly. Manufacturers that do not run the equipment through the testing process are afraid that the equipment will not pass the test. Many city inspectors will have non UL-294 access control equipment removed when city codes are enforced. Furthermore, you can’t connect a non UL-294 access control system to a fire alarm system, which, in many buildings is required by fire code. For a low-cost option on electronic access control, please consider using the ZKTeco brand.

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Dahua

Dahua Video Doorbell Intercom Access System for Single-Family Home or Office

The Dahua Video Intercom for single-family homes or office suites is an economical and effective solution. Here are the available options for single-family or office suites: DHI-VTO2000A (IP54, wired IP, stainless steel) DHI-VTO2000A-2 (IP54, 2-wire, stainless steel) DHI-VTO2111D-WP (IP65, Wireless IP, plastic, built-in MiFare card reader) You would still need to connect the power supply for the wireless option. Flush-mount and surface-mount back-boxes are available for wired solutions. The mobile apps (for iOS and Android) are compatible with the Villa Outdoor Stations; not with the Apartment Outdoor Stations. Mobile apps allow the tenant(s) to remotely unlock the door from anywhere with 3G/4G/Wi-Fi signal on their mobile device. The intercom will ring the indoor monitors and mobile apps simultaneously so that the first available user can address the caller and decide whether to grant access. The indoor monitors are not required, but they are ideal if a dedicated indoor monitor is desired in a common area such as a home’s kitchen or an office’s reception area. The current indoor monitor options are: DHI-VTH1550CH (IP monitor, 7 inch, white) DHI-VTH1550CHW-2 (2-wire monitor, 7 inch, white, ideal if running cable within the units is difficult) DHI-VTH5221D (wireless IP monitor, 7 inch, black, ideal if there is a solid Wi-Fi […]

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