Coordinated security across your property

The Eufy NVR Security System S4 combines 4K turret cameras for fixed coverage with Bullet-PTZ cameras for active tracking, helping you monitor different areas through one system.

Key features

• Pan-tilt-zoom tracking follows detected movement.
• Cross-camera handoff supports tracking between coverage areas.
• Local AI processing analyses activity and generates alerts.
• Continuous recording supports day-and-night monitoring.

Recording and storage

The current listing specifies an expandable 8-port NVR supporting up to 16 channels, with a pre-installed 2TB hard drive upgradeable to 16TB. Confirm the selected package’s contents before ordering.

Add product information here.Camera System
Included Cameras:

2 × 4K Turret Cameras – fixed‑zone monitoring

2 × Bullet‑PTZ Cameras – upper 4K wide‑angle lens + lower 2K PTZ lens

Resolution:

Turret: 4K Ultra HD

Bullet‑PTZ: 4K wide‑angle + 2K PTZ

PTZ Capabilities:

360° coverage

8× auto‑zoom

Dynamic tracking up to 50 metres

Night Vision: Starlight colour night vision with spotlight support

AI Detection: Person, pet, vehicle, stranger recognition (local AI agent)

Motion Tracking & AI
Dynamic Tracking: PTZ camera auto‑locks and follows subjects with centred close‑ups

Live Cross‑Cam Tracking: Cameras hand off subjects between zones for uninterrupted coverage

AI Video Finder: Keyword search for instant event retrieval (no scrolling through hours of footage)

On‑Device AI Agent: 8‑core CPU for real‑time analysis and threat identification

NVR & Storage
Channels: 8‑channel NVR (expandable to 16 channels via PoE switch)

Hard Drive: Pre‑installed 2TB HDD, upgradeable to 16TB for 24/7 recording

Recording: Continuous 24/7 PoE recording

Local Processing: All AI and video analysis done locally (no cloud required)

Connectivity & Setup
Connection: Single‑cable PoE setup (power + data through one cable)

Compatibility: Works with Eufy PoE cameras; Wi‑Fi module available for additional camera types

Control: Eufy Security app, web portal, and GUI interface

Durability & Build
Weather Rating: IP65/IP67 depending on camera type (Bullet‑PTZ uses IP67)

Audio: Two‑way talk with AI noise reduction

Add product information here.Complete 4‑Camera Protection Secure your entire property with two 4K turret cameras for fixed coverage and two hybrid Bullet‑PTZ cameras featuring an upper 4K wide‑angle lens and a lower 2K PTZ module. Enjoy 360° tracking, 8× zoom, and precise monitoring across every zone. (Update your Eufy app to version 5.0.71 or above for full functionality.)

Dynamic Tracking & Auto‑Framing When motion is detected, the PTZ camera locks on and follows the subject automatically—delivering sharp, centred close‑ups from up to 50 m away. Auto‑zoom keeps them perfectly framed until they leave view.

Live Cross‑Cam Tracking Your S4 cameras work together to maintain continuous coverage. As a subject moves out of one camera’s range, another instantly takes over, ensuring uninterrupted monitoring around your home.

AI‑Powered Video Finder Find key moments instantly using keyword search in the Eufy app—no more scrolling through hours of footage.

Expandable NVR System The 8‑port NVR supports up to 16 channels via a PoE switch (not included). Configure up to 8 Bullet‑PTZ cameras (each uses two channels) or up to 16 turret/bullet cameras. Includes a pre‑installed 2TB HDD, upgradeable to 16TB for round‑the‑clock recording.

On‑Device AI Agent An ultra‑fast 8‑core CPU powers real‑time analysis, accurate threat detection, and smart responses. Customisable No‑Go Zones and alert rules ensure the system focuses only on what matters. Cloud‑based features such as cloud storage or thumbnail push notifications may send thumbnails or video clips to the cloud as required.

Returns, Refunds & Warranty Policy

SERENILIVING – Premium Smart Comfort for a Secure Home

At SereniLiving, we want to ensure that any issues with faulty or defective products are handled appropriately. Please read our returns policy carefully before making a purchase. Many of our chairs are made to order, and all products are covered by manufacturer warranties. Because of this, our returns and cancellation rules differ depending on the product category.

This policy explains how returns, refunds, cancellations and warranties work for all purchases made through Serenilving.

1. Contacting Us About Returns

If you wish to return an item or report a fault, you must contact us first:

📧 info@sereniliving.co.uk

We will confirm eligibility, provide instructions, and coordinate with the relevant manufacturer or supplier.

2. Product Categories & Return Rules

A. Cameras & Smart Devices

Our camera supplier allows returns only if the product is faulty.

Eligible Returns (Cameras)

• Manufacturing defects

• Technical faults

• Damage in transit

Not Eligible for Return

• Change of mind

• Incorrect orders

• Unwanted gifts

• Cosmetic marks after use

• Any non‑fault reason

Return Condition Requirements

If approved, the item must be:

• In new condition

• Unassembled (if applicable)

• In original packaging

• Securely packed for safe return

B. Chairs & Ergonomic Seating

Many chairs are made to order and supplied directly by UK manufacturers (PSI Seating, Comfort Workspace, etc.). Because production begins shortly after ordering, cancellations are not accepted once manufacturing has commenced.

Transit Damage

If a chair arrives damaged due to delivery:

• The supplier will repair the damage free of charge

• Damage must be reported within 24 hours of delivery

• Photos may be required

Faulty Chairs / Manufacturing Defects

Covered under the manufacturer’s warranty.

Change‑of‑Mind Returns

Not accepted for made‑to‑order chairs.

Return Condition Requirements

If a return is approved (fault‑based only):

• Chair must be unassembled

• In new, resaleable condition

• In original packaging

• Securely packed for collection

3. Cancellations

Cameras

• Orders may be cancelled before dispatch.

• Once shipped, cancellations are not possible.

Chairs

• No cancellations once production has started.

• This rule is set by the manufacturers and applies to all made‑to‑order seating.

4. Manufacturer Warranty Coverage

Both cameras and chairs are covered by manufacturer warranties. Chair warranties vary by model and usage.

A.   Comfort Workspace Warranty Periods

Elite G2 Chairs (Ergohuman Elite G2, Mirus Elite G2, Enjoy Elite G2)

• 10 years (up to 8 hours/day use)

SL Premium Chairs Warranty Periods

Warranty period is 5 Years for fabric chairs, 3 years for mesh back chairs and 3 years for leather/faux leather products.

B. What the Warranty Covers

• Manufacturing defects

• Faulty components

• Structural issues

• Replacement parts

• Repairs (supplier’s discretion)

Supplier Costs Covered

• Parts: Free for the entire warranty period

• Labour, collection & return delivery: Free for the first 12 months

• After 12 months, labour/transport may be chargeable (parts remain free)

Repairs & Replacements

The supplier decides whether to:

• Repair the product

• Send replacement parts

• Replace the product with a comparable model

A repair or replacement does not restart the warranty period.

C. Warranty Conditions

The warranty applies only if:

• The product is used as intended

• No unauthorised repairs or modifications were made

• The customer’s account is paid in full

• The product is still with the first end user

• The product is located within mainland UK

Warranty Does Not Cover

• Fair wear and tear

• Misuse or improper assembly

• Customer‑supplied fabrics (COM)

• Natural variations in wood, mesh, dyes, leather

• Consequential costs (labour, downtime, travel, etc.)

5. Making a Warranty Claim

To make a claim, contact us with:

• Original order reference

• Delivery date

Reporting Deadlines

• Visible damage on arrival: Report within 24 hours

• Faults appearing later: Report within 7 days of discovery

Do not return items without authorisation. Stop using the product once a fault is reported.

6. Delivery & Lead Times

Delivery Times

Delivery times vary depending on the product and manufacturer.

• Standard delivery: 3–8 working days

• Made‑to‑order chairs: 6–10 weeks

chairs

Lead times differ by model and fabric

• Delivery is kerbside / tailgate only unless otherwise agreed

• Customer must arrange labour to move items indoors

cameras

• Standard delivery times apply 3-5 working days

• Tracking provided where available

7. Returns Window

If you believe your item is faulty, you must contact us within:

• 48 hours of purchase for cameras

If any goods arrive damaged or if there are shortages, you must notify the Supplier in writing via email at info@sereniliving.co.uk within 48 hours of delivery. It is your responsibility to thoroughly inspect all items for damage or missing components within this 48‑hour period.
Claims made outside this timeframe will not be accepted, and any replacements will be chargeable.

The Supplier accepts no liability for any costs arising from delayed delivery, faulty goods, or shortages.

Faulty or damaged goods will be replaced or refunded in accordance with the Distance Selling Regulations 2000.
Please note: The cost of returning faulty or damaged goods is the customer’s responsibility, and any issues must be reported within 48 hours of delivery to info@sereniliving.co.uk.

• 24 hours of delivery for chair transit damage

• 14 days of purchase for chair manufacturing faults

All returns must be authorised before sending items back.

8. Packaging Requirements

Suppliers may refuse returns if:

• Items are not in original packaging

• Products are assembled

• Products are not securely packed

• Products show signs of use beyond inspection

9. Refunds

Refunds are issued only when:

• A return is approved

• The item is inspected and confirmed faulty

• The supplier accepts the return

Refunds are not issued for:

• Change‑of‑mind

• Incorrect orders

• Items damaged after delivery

• Products outside the return window

Refunds are processed to the original payment method.

10. Our Commitment

Sereniliving provides premium smart‑home technology and seating designed for comfort, security and long‑term reliability. We work closely with UK manufacturers to ensure:

• High‑quality products

• Fair warranty support

• Clear communication

• Safe and secure deliveries

For any help or support, contact us at: 📧 info@SereniLiving.co.uk