Lorex IP Camera Guide: 4K Add-Ons, Varifocal and Systems

Best for
Adding 4K coverage to an existing Lorex NVR

The Lorex Outdoor 4K IP Add-On Metal Bullet Security Camera is the straightforward choice for anyone who already runs a compatible Lorex recorder and wants more 4K coverage. Its 108 degree field of view covers a broad area, and Smart Motion Detection Plus separates people, vehicles and faces, so push notifications tell you what triggered the alert instead of flagging every moving branch.

At night it switches between color night vision in ambient light and black and white infrared in full darkness. You also get 2-way talk through the Lorex Home app, Alexa and Google Assistant voice commands, and a metal, waterproof bullet housing. The key limit is clear in the listing: the camera must be wired to an N843, N844, N845, N846, N847, N884 or N910 series recorder to operate. If you do not own one of those, look at the Fusion system further down instead.

• 4K resolution, 108 degree field of view
• Person, vehicle and face detection
• Color night vision plus IR night vision
• 2-way talk and voice assistant support

Best for
Driveways and yards needing remote zoom

Best for
Value seekers fine with a renewed camera

The Lorex 4K IP Ultra HD Wired Bullet Security Camera (Renewed) is sold under Amazon Renewed, so it is a refurbished unit rather than a new one. For shoppers searching for a Lorex IP camera renewed, it offers a lot of deterrence hardware: a motion-activated warning light, a siren, 2-way audio and a voice prompt that can play announcements to visitors.

The listing specifies an 8MP 1/2.8 inch CMOS sensor, a 108 degree field of view, up to 150 feet of IR night vision in low light and 98 feet in darkness, H.265 encoding and PoE installation. Smart Motion Detection Plus lets you choose face detection or person and vehicle detection, and extra tools like Safeguard (alerts when an object is removed or left behind) and Active View add control. It is IP67 rated, with a metal body and an operating range from -22F to 140F. Only the camera and mounting kit are included, and it works with the N843, N844 and N863B 4K NVR series. The listing also says a power adapter and BNC cable are not included, which is odd wording for a PoE IP camera, so plan on a standard network cable.

• 8MP sensor with H.265 encoding
• Warning light, siren and voice prompts
• Safeguard and Active View features
• IP67, -22F to 140F

The Lorex 4K (8MP) Nocturnal Motorized Varifocal Smart IP Bullet Security Camera is the detail specialist here. Its motorized varifocal lens offers 4x optical zoom that you can adjust remotely, including focus, with a field of view up to 113 degrees at its widest. That makes it the Lorex nocturnal varifocal camera to pick when a fixed lens either sees too much or not enough, such as a long driveway or a gate at the far end of a yard.

It records 4K at a real-time 30 frames per second, and its large format lens drives color night vision, with up to 150 feet of IR range in low light and 98 feet in total darkness. Smart Motion Detection limits alerts to people and vehicles. The aluminum alloy housing is IP67 rated and operates from -40F to 140F, the widest range in this list, and a 100 foot Cat5 cable is included. The listing does not specify which recorders it is compatible with, so confirm your NVR supports it before buying.

• Motorized 4x optical zoom, remote focus
• 4K at 30 fps
• Up to 150 ft IR night vision
• Includes 100 ft Cat5 cable

Best for
Owners of a Lorex U-Series NVR

The Lorex Connect U3 2K+ IP Add-On PoE Bullet Camera is built for the U-Series NVR and works only with the new Lorex Connect app, not the Lorex Classic app. That is the first thing to check: if your system runs on the older app, this camera is the wrong fit.

For U-Series owners, it offers 2K+ resolution with color night vision, AI detection for faces, people and vehicles, listen-in audio, and red and blue deterrence lights. The IP67 housing handles rain and heat, and installation is a two-step process with a lightweight bracket and tool-free camera attachment. Cables are sold separately. The listing is inconsistent on shape, calling it a bullet in the title while the specifications list a dome form factor and ceiling mount, so check product photos before planning your mounting. At 2K+, it gives way to the 4K models when fine detail is the priority.

If you only need a simple indoor or lighting-style camera rather than a PoE system, a light bulb security camera is a lighter-weight option.

Best for
Starting fresh with a complete system

The 12MP Ultra HD and Smart Security Lighting with 4 Bullet IP Cameras 4K+ Fusion Wired NVR System is the complete package for anyone starting from scratch. The listing describes it as Lorex’s first 4K+ system, with a 12MP image sensor that delivers 50% more pixels than 4K, quad pixel technology and enhanced color night vision. That makes it the highest-resolution option in this Lorex IP camera comparison.

It includes four bullet IP cameras, dedicated local storage, in-camera edge AI, smart security lighting and a wired Ethernet connection. The listing says the NVR supports up to 8 cameras but phrases it as “8 wired cameras (4 wired and 4 wireless)”, which is contradictory, and it lists “Wireless” as a feature despite the wired title. The storage capacity is not specified. Choose this if you want a single purchase that covers a home, and treat the expansion details as something to confirm with Lorex.

• 12MP sensor with quad pixel technology
• Four bullet IP cameras and an 8 channel NVR
• Local storage and in-camera edge AI
• Smart security lighting

Best for
Basic add-on with listen-in audio

The White Bullet IP Wired Outdoor Security Camera with Smart Motion Detection and Listen-In Audio is the least documented product here. The title confirms smart motion detection and listen-in audio in an outdoor white bullet housing, with model number AZT42CA. The listing does not specify its resolution, field of view, night vision range, weather rating or which NVRs it works with.

That lack of detail makes it hard to recommend over the other add-ons unless you have confirmed with Lorex that AZT42CA matches your recorder. It suits a buyer who already knows this exact model fits their system and just needs another camera for a side yard or garage.