SKU: 86572950336

ZKTeco VEX-B21A Multi-Factor IP Video Intercom with Facial Recognition

Sale price$6998.05 Regular price$7775.61
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Ships within 48 hours · Estimated delivery Sep 21 - Sep 26

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Description

ZKTeco VEX-B21A Multi-Factor IP Video Intercom with Facial RecognitionAdvanced Access Control and Smart Video Intercom Solution Introducing the ZKTeco VEX B21A, a sophisticated and robust IP based outdoor video intercom station designed for modern buildings. This powerful console operates on an Android OS, seamlessly integrating high definition video communication with advanced facial recognition for a comprehensive access control solution. It offers multiple verification methods, including facial recognition, IC card,

Advanced Access Control and Smart Video Intercom Solution

Introducing the ZKTeco VEX-B21A, a sophisticated and robust IP-based outdoor video intercom station designed for modern buildings. This powerful console operates on an Android OS, seamlessly integrating high-definition video communication with advanced facial recognition for a comprehensive access control solution. It offers multiple verification methods, including facial recognition, IC card, PIN code, and mobile NFC, providing flexibility and enhanced security for any entry point. The VEX-B21A is engineered for outdoor environments, featuring a durable aluminum front panel and an IP65 rating for water and dust resistance.

Crystal-Clear Imaging and Communication

The integrated 2MP CMOS camera captures sharp, clear images with a wide 100° viewing angle, ensuring you never miss a detail. A white LED supplement light and IR sensor provide excellent visibility in all lighting conditions, day or night. The system facilitates two-way audio communication with indoor monitors, allowing for clear verification of visitors before granting access. It supports the SIP 2.0 protocol for easy integration with other SIP-enabled devices and H.264 video codec for efficient, high-quality video transmission.

Seamless Integration and Versatile Connectivity

The VEX-B21A is designed for complete system integration. It is equipped with a relay and an RS-485 port, allowing it to directly control door locks and connect with other access control devices. Additional ports for an exit button, door magnetic sensor, and Wiegand mean it can serve as the central hub of a comprehensive security setup. Powering the device is simple with options for either PoE (IEEE802.3af) or a standard DC 12V supply.

Technical Specifications
System Android 4.0
Memory RAM: 512 MB, ROM: 8 MB
Display 4.3-inch TFT LCD (Resolution: 480x272)
Camera 2MP CMOS Sensor
Viewing Angle 100°
Video Codec H.264
Video Resolution Up to 1920 x 1080
Audio Built-in Microphone and Speaker, Echo Cancellation
Door Entry Methods Facial Recognition, IC Card, PIN Code, NFC
Capacity Face Templates: 10,000, IC Cards: 30,000
Network Protocol SIP 2.0, TCP/IP, UDP, RTP, RTSP, etc.
Ethernet 1 x RJ45, 10/100 Mbps self-adaptive
Interface Ports 1x Relay Out, 1x RS485, 1x Wiegand, 1x Exit Button, 1x Door Magnetic
Power Supply PoE (IEEE802.3af) or DC 12V/2A
Power Consumption Standby: 3W, Rated: 10W
Physical Front Panel: Aluminum, Keypad: 16 Physical Keys
Protection Grade IP65
Operating Temperature -40°C to +55°C
Dimensions (mm) 380 * 158 * 55.7
Installation Flush mounting
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 86572950336

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SydLg
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I like this serum because it's more like a cream rather than the oily types of serums. It goes on nice and softens my skin. I'll know more over time when I use it longer.
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Reviewed in the United States on June 28, 2025
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Shantell Powell
Grantham, US
★★★★★ 5
Brightened My Skin and Feels Lightweight
I’ve been using this Vitamin C serum consistently and I really like how lightweight and gentle it feels on my skin. It absorbs quickly without leaving a sticky feeling and layers well with my moisturizer. After a few weeks of use, my skin started looking brighter and more even, especially around dark spots and dull areas. I also appreciate that it did not irritate my skin or cause breakouts. The packaging is simple and the product feels high quality for the price. A great addition to my skincare routine!
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Reviewed in the United States on May 21, 2026
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Kimberly Wolfe
Los Angeles, US
★★★★★ 5
Clean C with a big punch
I really like the clean ingredients and the price is unbelievable. But I really love the packaging- easy to use ans a convient size.
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Reviewed in the United States on April 9, 2026
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Jennifer Donnelly
Los Angeles, US
★★★★★ 5
Pleasantly surprised
I’m two jars in and love it. I do use Botox, retinol, a good face wash, wash moisturize twice daily, etc etc. I struggle with moisturizer because I’m prone to breakouts. Idk what it is about this one but my skin loves it. It feels refreshed and soft. Added bonus, my eyebrows and lashes have gotten longer and darker quick! Obviously we all respond differently to products but I’ll be keeping this in my rotation
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Reviewed in the United States on June 3, 2026
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Deb from the Ridge
West Palm Beach, US
★★★★★ 5
A thick and rich cream that smooths on nicely!
So I jumped on the Korean skincare bandwagon and decided to purchase some of the DR MELAXIN Products to try! I read many good reviews and decided it was worth the money. This first product is the Dr Melaxin Calcium cemenrete calcium volume cream. It comes in a 1.76 ounce glass jar. On the label there is a lot of word descriptions so I will add a few: Ex volume firming, rebornic 10,000 ppm hydrolyzed elastin and collagen extract. I have photographed label for viewing. The directions indicate to "apply a small amount of cream onto your face especially around the under-eye area". I found the cream thick and rich and I used it in addition to another Dr Melaxin neck and face product so I concentrated on only neck and under eye area. It is neutral in scent and is very thick so it feels like it is absorbing nicely. I have been using it for about a month now and have definitely noticed some improvement in the neck area so i will continue to use and layer with other products. I do recommend this line as the ingredients seem effective so far!
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Reviewed in the United States on June 4, 2026

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