- Compatible with select Lorex Network Video Recorders HD recorders. For a full list of compatible recorders visit: www.lorex.com/compatibility
- Color nighttime video typically switches to black & white IR night vision when there is not sufficient ambient light to ensure optimal low-light image quality.
- Stated IR illumination range is based on ideal conditions in typical outdoor nighttime ambient lighting (up to 98ft/30m in total darkness). Actual range and image clarity depends on installation location, viewing area and light reflection/absorption.
- For Face Detection and Mask Detection to operate, this camera requires a connection to a compatible Lorex Network Video Recorder with smart face detection technology. For a list of compatible recorders please visit: www.lorex.com/compatibility
- Audio recording is disabled by default. Audio recording without consent is illegal in certain jurisdictions. Lorex Technology does not assume liability for any use of its product that fails to conform with local laws
- Not intended for submersion in water. Installation in a sheltered location recommended.
Features
LOREX FUSION COLLECTION
This Fusion NVR system is united by our Lorex Home app, which can "fuse" the included wired 4K cameras and Wi-Fi Doorbell on the same NVR!
What's Included (N4K2SD-84WD-DS-3)

Wired NVR System
8 Channels | 4 Cameras | 2TB HDD

Wi-Fi Doorbell
1 × 2K QHD Doorbell

Sensor Kit
Lorex Sensor Hub & 2 Sensors

4K Ultra HD IP Security Cameras
Record the highest level of detail to help you capture moments like never before!
Learn MoreSee full color with the help of ambient lighting or long-range infrared night vision in low-light settings.
Metal exteriors provide year-round protection from the elements.
HEVC compresses video file sizes without any noticable difference in quality.
IP cameras only need a single CAT5e ethernet cable to connect them to the NVR.
Limit motion detection notifications with Smart Motion Detection Plus. This feature offers the option of either Face Detection or Person and Vehicle Detection.

Convenience and Security
See who's at the door, greet guests with a nightlight, answer the door from anywhere, play pre-recorded messages when someone rings, and talk to those on the other side with the 2K QHD Doorbell.
Learn MoreThanks to a pre-motion recording feature, the doorbell will automatically start recording 5 seconds before the event starts so you don't miss any action.
Automatically receive notifications to your phone telling you that there is someone at the door.
Use 1 of 3 quick responses to greet visitors who ring your doorbell. You can even record your own custom message to add your personal touch or speak directly through the doorbell using 2-Way Talk.
See more with a 164° viewing angle and 4:3 aspect ratio showing you the full picture.
HDR automatically corrects exposure when lighting is not ideal.

Smart Sensor Starter Kit
Add some vital security to your house without the video.
Learn MoreConnect the Lorex Sensor Hub to the Lorex Home App - No NVR channel required.
Simply stick the sensors on any door or window frame in your home.
Peel and stick to locations around your house, including ceilings, walls, or the top of any flat surface.

8-Channel 4K Fusion Network Video Recorder
Record 4K security video and experience the latest in smart innovations to provide the highest level of security for your property.
Learn MoreView your security system remotely from your smartphone or tablet.
Select an area to playback footage showing scene changes in that area.
A 2TB security-grade hard drive keeps your data safe and local.
The Lorex Sensor Hub also uses the Lorex Home App, allowing you to seamlessly integrate Add-On Sensors into your home security. Click here to learn more.
Stop events before they happen. An easy-to-use panic button located on the front of the recorder will activate all lights and sirens on your E893DD dome cameras to deter potential intruders.



Smart home compatibility
Get faster access to you security system with hands-free voice control. Use simple voice commands to activate camera features with Amazon Alexa™ and Google Assistant™. Use it with Chromecast or Firestick to monitor your security camera footage on a larger screen. For more information about current smart home integrations, visit our Smart Home Guide.
Stay connected on-the-go with the Lorex Home™ app
Your Lorex devices will always be within reach with help from the Lorex Home App. This versatile app allows you to remotely access your Lorex cameras so you can easily view live videos, customize your system settings, playback recorded motion events and more.

2-Way Talk
Use the app to communicate through the camera to whoever is on the other side.

Timelines & Filters
All events will be compiled into a chronological timeline to save time while reviewing footage.

Privacy Mode
Lorex Home allows you to easily stop recording with the new Privacy Mode feature.

Notifications
Receive instant alerts directly to your smartphone whenever a person is detected on your property.

Device Settings
The app lets you configure your camera settings from the palm of your hands.
What's Included?
- Record and view video in up to 4K (8MP) Ultra HD Resolution on all channels.1
- Digitally zoom in on distant objects for better clarity.2
- View synchronized playback of up to 4 cameras at the same time
- Expand your security system with up to 8 IP cameras with built-in PoE ports.
- Pair your system with up to two Lorex Fusion™ compatible Wi-Fi products such as Wi-Fi cameras, doorbells, floodlights, and more.3
- Stream and record continuous video from your Wi-Fi devices on your recorder.
- Wi-Fi cameras can now record continuously, taking advantage of the hard drive storage space.
- Quickly access your live footage with simple voice commands, compatible with Amazon and Google.4
- Control your Active Deterrence cameras features with your voice (compatible with Google Assistant only).4
- Support for Smart Motion Detection - Get notifications with the Lorex Home™ App when motion is detected from a person or vehicle. Be notified when a person is not wearing mask.5
- Use Smart Search to search through recorded footage and filter events for motion detected by person, vehicle or face.6
- Max 8TB storage space with no hidden monthly cloud fees.
- Security Grade hard drive designed for advanced processing and the workload of 24/7 monitoring.
- Set up to 3 areas to keep track of items left behind or removed, such as packages or other items of value. Auto-voice messages can be activated when an event takes place.
Each N843A82 Includes:
- 4K (8MP) IP cameras are required to take advantage of 4K recording.
- Recording time may vary based on recording resolution and quality, lighting conditions and movement in the scene.
- Fusion™ capabilities are limited to 2 wireless devices per system. Wireless devices require an available channel on the NVR as well as a sufficient signal strength between the device(s) and your Wi-Fi router for video streaming. For full details on Wi-Fi cameras compatibility and instructions, visit www.lorex.com/pages/fusion
- Controlling certain features in your security system requires a compatible smart device. Availability and performance of certain features and services are smart device dependent and may not be available in all areas or networks. For compatibility, features, and instructions visit www.lorex.com/smarthome
- Compatible with certain Lorex IP and select wireless cameras only. For a list of compatible cameras please visit www.lorex.com/compatibility
- Accessing your security system remotely requires a high-speed Internet connection. Ensure your NVR has a wired connection to a router (not included). A minimum upload speed of 5Mbps is recommended for reasonable video performance. Up to 3 devices may connect to the system at the same time. For the latest list of supported apps and devices, please visit www.lorex.com/compatibility
- HDMI output supports 4K HD for high definition multi-channel live or recorded video viewing. Image quality and resolution is dependent on the type of camera connected to the NVR, as well as TV/monitor resolution.
- 4K (8MP) Ultra HD resolution1
- 108° horizontal field of view
- Color Night Vision2
- Up to 150ft (46m) IR night vision in low light condition. Up to 98ft (30m) in total darkness3
- Smart Motion Detection Plus - Face, Person and Vehicle Detection
- Face Recognition and Mask Detection technology with automatic voice prompts4
- Get notifications from your Lorex Home™ app
- Automatic warning light during person or vehicle detection
- Remote-activated siren
- Built-in microphone and speaker for 2-Way Talk5
- Enhanced 2-Way Talk with Quick Response Messages
- Safeguard - object missing or left behind
- IP67 (Indoor/Outdoor) Environmental Rating6
Each E893DD Includes:
- Impressive 2K QHD Resolution for clear video quality.
- See more with the doorbell's 4:3 aspect ratio and 164° diagonal field-of-view.
- Get the best picture always with HDR imaging.
- Use pre-recorded messages or 2-way talk1 to greet visitors.
- Motion-activated LED warning light can be manually enabled or customized to only be triggered when a person detected.
- Deter unwanted guests with the remote-activated siren.
- Be aware of activity around your doorstep with built-in Person Detection feature.
- Receive notifications from the Lorex Home™ app when motion is detection2.
- Local microSD storage, expandable up to 256GB.
- Adjust the viewing angle of your Video Doorbell with the included set of mounting bracket wedges.
- Pair with additional wired and wireless Fusion products to enhance your Lorex security experience.
- Be notified when someone rings the doorbell, as well as answer it without using your phone with Amazon Alexa™.
- Compatible with existing doorbell wiring (16V-24V) and traditional mechanical and electronic digital chimes.3
Each B451AJD Camera Includes:
- Audio recording without consent is illegal in certain jurisdictions. Lorex Technology does not assume liability for any use of its product that fails to conform with local laws.
- Requires a high-speed internet connection and a Wi-Fi router (not included) for remote access. A minimum upload speed of 3.5 Mbps is required for the best video performance.
- Requires 16 - 24 VAC. If the install location does not have this, a transformer will be required to operate properly. Consult a licensed electrician if in doubt.
- Not intended for submersion in water. Installation in a sheltered area recommended.
Smart Sensor
AY41TR-KTK1-MTK1
AY41TR Sensor Hub | |
---|---|
Color | White |
Power | Power adapter input: 100-240V AC, Power adapter output: 5V DC |
Connectivity | BLE5.0 |
Lights | Status Indicator Light |
Installation Type | Tabletop or wall mount |
Setup Requirements | Lorex Home APP |
Compatibility | Lorex DVR's or NVR's using Lorex Home APP |
Operating Conditions | Indoor Use |
Warranty | 1 year limited warranty |
AM41TK PIR Motion Sensor | |
---|---|
Color | White |
Power | Battery: CR2450, included |
Connectivity | BLE5.0 |
Detection Range | 26ft Max.* |
Detection Angle | 110° Max. |
Installation Type | Tabletop, wall or ceiling |
Lights | Status Indicator Light |
Setup Requirements / Compatibility | Lorex Sensor Hub, Lorex Home Center |
Mounting | Adhesive, included |
Operating Conditions | Indoor Use |
Operating Temperature | 14°F ~ 113°F / -10°C ~ 45°C |
Operating Humidity | 0 ~ 95% RH |
Warranty | 1 year limited warranty |
AK41TK Door / Window Sensors | |
---|---|
Color | White |
Power | Battery: CR1632, included |
Connectivity | BLE5.0 |
Lights | Status Indicator Light |
Installation Type | Tabletop or wall mount |
Setup Requirements / Compatibility | Lorex Sensor Hub, Lorex Home Center |
Mounting | Adhesive, included |
Operating Conditions | Indoor Use |
Operating Temperature | 14°F ~ 113°F / -10°C ~ 45°C |
Operating Humidity | 0 ~ 95% RH |
Warranty | 1 year limited warranty |
Each Smart Sensor Starter Kit Includes:
*Range will be affected by environmental factors
Product Support
N843 Series - 4K Fusion NVR
E893DD Series - 4K IP Camera
B451AJ Series - 2K Video Doorbell
AY41TR-KTK1-MTK1 - Smart Sensor Kit
All trademarks belong to their respective owners. No claim is made to the exclusive right to use the trademarks listed, other than the trademarks owned by Lorex Corporation. We reserve the right to change models, configurations or specifications without notice or liability. Product may not be exactly as shown.
Apple, the Apple logo and AppleTV are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.
Google, Google Home, Google Play, Google Play logo, Google Assistant logo and Chromecast are trademarks of Google Inc.
Amazon, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates. 2-way communication is not available via Alexa.